{"id":1838,"date":"2021-01-10T13:58:04","date_gmt":"2021-01-10T13:58:04","guid":{"rendered":"https:\/\/blogs.glowscotland.org.uk\/fi\/askdrmurraydotcom\/?page_id=1838"},"modified":"2025-03-04T10:08:07","modified_gmt":"2025-03-04T10:08:07","slug":"national-4-chemistry","status":"publish","type":"page","link":"https:\/\/blogs.glowscotland.org.uk\/fi\/askdrmurraydotcom\/chemistry\/national-4-chemistry\/","title":{"rendered":"National 4 Chemistry"},"content":{"rendered":"<div id=\"attachment_2073\" style=\"width: 160px\" class=\"wp-caption alignright\"><a href=\"http:\/\/kirkcaldyhighschool.com\/\"><img decoding=\"async\" aria-describedby=\"caption-attachment-2073\" src=\"https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/12160512\/KHS-logo-150x150.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&#038;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&#038;X-Amz-Algorithm=AWS4-HMAC-SHA256&#038;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&#038;X-Amz-Date=20261104T135523Z&#038;X-Amz-SignedHeaders=host&#038;X-Amz-Expires=900&#038;X-Amz-Signature=47c9f9e331f64bde3d2052295560a713b22a8b62dce18771ef061e0d890046d1\" alt=\"Kirkcaldy High School Shield\" width=\"150\" height=\"150\" class=\"size-thumbnail wp-image-2073\" srcset=\"https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/12160512\/KHS-logo-150x150.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=47c9f9e331f64bde3d2052295560a713b22a8b62dce18771ef061e0d890046d1 150w, https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/12160512\/KHS-logo-300x300.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=5634b55880f1999eb431bba635a0b19f39ff688223e7e6a43943d35c9f273edc 300w, https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/12160512\/KHS-logo.jpg 512w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/a><p id=\"caption-attachment-2073\" class=\"wp-caption-text\"><a href=\"http:\/\/kirkcaldyhighschool.com\/\">Back to School<\/a><\/p><\/div>\n<h1>SQA Materials<\/h1>\n<div id=\"attachment_1933\" style=\"width: 222px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/www.sqa.org.uk\/sqa\/files_ccc\/n5-chemistry-data-booklet.pdf\"><img decoding=\"async\" aria-describedby=\"caption-attachment-1933\" class=\"wp-image-1933 size-medium\" style=\"border: 1px solid #000\" src=\"https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11103655\/N4-and-5-Data-Book-212x300.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&#038;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&#038;X-Amz-Algorithm=AWS4-HMAC-SHA256&#038;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&#038;X-Amz-Date=20261104T135523Z&#038;X-Amz-SignedHeaders=host&#038;X-Amz-Expires=900&#038;X-Amz-Signature=6daf20d77fb126cfcf2aa8a212109eb8767c7b3f3d395eeaa07e78e4f38a1824\" alt=\"National 4 and 5 Chemistry Data Booklet\" width=\"212\" height=\"300\" srcset=\"https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11103655\/N4-and-5-Data-Book-212x300.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=6daf20d77fb126cfcf2aa8a212109eb8767c7b3f3d395eeaa07e78e4f38a1824 212w, https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11103655\/N4-and-5-Data-Book-724x1024.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=9e95ffe7ecc70d03b5f3301578521d4f9bcdafe52dc0c41bd618081b812b1866 724w, https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11103655\/N4-and-5-Data-Book-768x1086.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=7c1b6ef0399c94360ba468a650c5f1a4b0d8824e8f17f9f7c4b7d1369e36bbb4 768w, https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11103655\/N4-and-5-Data-Book.jpg 891w\" sizes=\"(max-width: 212px) 100vw, 212px\" \/><\/a><p id=\"caption-attachment-1933\" class=\"wp-caption-text\"><a href=\"https:\/\/www.sqa.org.uk\/sqa\/files_ccc\/ChemistryDataBookletSQPN5.pdf\">National 4 and 5 Chemistry Data Booklet<\/a><\/p><\/div>\n<div id=\"attachment_2542\" style=\"width: 310px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/03\/22111041\/N4_chem_course_content.pdf\"><img decoding=\"async\" aria-describedby=\"caption-attachment-2542\" style=\"border: 1px solid #000\" src=\"https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/03\/22111040\/N4_chem_course_content-300x212.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&#038;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&#038;X-Amz-Algorithm=AWS4-HMAC-SHA256&#038;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&#038;X-Amz-Date=20261104T135523Z&#038;X-Amz-SignedHeaders=host&#038;X-Amz-Expires=900&#038;X-Amz-Signature=9bbb21aa6509df60218733b4d2331efafde3f6e0aa3bc0ceb369de61b09d30b2\" alt=\"National 4 Chemistry Course Content\" width=\"300\" height=\"212\" class=\"size-medium wp-image-2542\" srcset=\"https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/03\/22111040\/N4_chem_course_content-300x212.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=9bbb21aa6509df60218733b4d2331efafde3f6e0aa3bc0ceb369de61b09d30b2 300w, https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/03\/22111040\/N4_chem_course_content-1024x724.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=8151e5cbda0ed02ad2a69bea665aef5d66207a64c930382c7a7a14ab52724eb3 1024w, https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/03\/22111040\/N4_chem_course_content-768x543.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=5eee68acafe68823b15452f8aa32d3c196166ea56c1f9708cb690cf4ff3f1f32 768w, https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/03\/22111040\/N4_chem_course_content.jpg 1260w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-2542\" class=\"wp-caption-text\"><a href=\"https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/03\/22111041\/N4_chem_course_content.pdf\">National 4 Chemistry Course Content<\/a><\/p><\/div>\n<p><br style=\"clear:both\" \/><\/p>\n<h1>Notes Booklets<\/h1>\n<div id=\"attachment_1899\" style=\"width: 222px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2025\/03\/04100738\/N4-Unit-1-Chemical-Changes-and-Structure-Notes-1.pdf\"><img decoding=\"async\" aria-describedby=\"caption-attachment-1899\" class=\"wp-image-1899 size-medium\" style=\"border: 1px solid #000\" src=\"https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085159\/N4-Unit-1-Notes.jpg\" alt=\"National 4 Chemistry Unit 1 - Chemical Changes and Structure Notes\" width=\"212\" height=\"300\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085159\/N4-Unit-1-Notes.jpg 891w, https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085159\/N4-Unit-1-Notes-212x300.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=f1b90700b00c179f36e64284db300a7ef86768cd5b587b73a4d2d98152d17c2b 212w, https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085159\/N4-Unit-1-Notes-724x1024.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=755a53fd0809dd8ee402c3393a7270d69f575075bda00dd4b373e58e70410e48 724w, https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085159\/N4-Unit-1-Notes-768x1086.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=17c7fe1f7c5f7be1f6400a4eb978f09a718be1a51fdd05b72ef80d673c34d7ce 768w\" sizes=\"(max-width: 212px) 100vw, 212px\" \/><p id=\"caption-attachment-1899\" class=\"wp-caption-text\">National 4 Chemistry Unit 1 &#8211; Chemical Changes and Structure Notes<\/a><\/p><\/div>\n<div id=\"attachment_1897\" style=\"width: 222px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/10173410\/N4-Unit-2-Natures-Chemistry-Notes.pdf\"><img decoding=\"async\" aria-describedby=\"caption-attachment-1897\" class=\"wp-image-1897 size-medium\" style=\"border: 1px solid #000\" src=\"https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085153\/N4-Unit-2-Notes.jpg\" alt=\"National 4 Chemistry Unit 2 - Nature's Chemistry Notes\" width=\"212\" height=\"300\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085153\/N4-Unit-2-Notes.jpg 891w, https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085153\/N4-Unit-2-Notes-212x300.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=dffcf2dc5717825dc334616ae19af97c34d91456e057c26ae053a315def6daf7 212w, https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085153\/N4-Unit-2-Notes-724x1024.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=6bcc43e2598dfe77c060232e4c5c5ea25dd900918c86afcad3b7b88d9ee64b05 724w, https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085153\/N4-Unit-2-Notes-768x1086.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=0f3ff14f551b46361810eb08577ee9c7bcf33b861fd03c9be7f823480584e15a 768w\" sizes=\"(max-width: 212px) 100vw, 212px\" \/><p id=\"caption-attachment-1897\" class=\"wp-caption-text\">National 4 Chemistry Unit 2 &#8211; Nature&#8217;s Chemistry Notes<\/a><\/p><\/div>\n<div id=\"attachment_1898\" style=\"width: 222px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/10173412\/N4-Unit-3-Chemistry-in-Society-Notes.pdf\"><img decoding=\"async\" aria-describedby=\"caption-attachment-1898\" class=\"wp-image-1898 size-medium\" style=\"border: 1px solid #000\" src=\"https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085156\/N4-Unit-3-Notes.jpg\" alt=\"National 4 Chemistry Unit 3 - Chemistry in Society Notes\" width=\"212\" height=\"300\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085156\/N4-Unit-3-Notes.jpg 891w, https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085156\/N4-Unit-3-Notes-212x300.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=5c8fde464d0188834843cd9ae11712dfa34a72c4cb44e7f1eecfff39ca363be0 212w, https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085156\/N4-Unit-3-Notes-724x1024.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=5416cb61a65a1697e8efcbc4cc080058d2826d6985996ce9a6a1530611c94540 724w, https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085156\/N4-Unit-3-Notes-768x1086.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=62b9d01298a76a07a0f19929ae9ce7c50caa579d0d67dbf5558d7effa429e1bf 768w\" sizes=\"(max-width: 212px) 100vw, 212px\" \/><p id=\"caption-attachment-1898\" class=\"wp-caption-text\">National 4 Chemistry Unit 3 &#8211; Chemistry in Society Notes<\/a><\/p><\/div>\n<p><br style=\"clear:both\" \/><\/p>\n<h1>Question Booklets<\/h1>\n<div id=\"attachment_1905\" style=\"width: 222px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/10174025\/N4-Unit-1-Chemical-Changes-and-Structure-Questions.pdf\"><img decoding=\"async\" aria-describedby=\"caption-attachment-1905\" class=\"wp-image-1905 size-medium\" style=\"border: 1px solid #000\" src=\"https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085241\/N4-Unit-1-Questions.jpg\" alt=\"National 4 Chemistry Unit 1 - Chemical Changes and Structure Questions\" width=\"212\" height=\"300\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085241\/N4-Unit-1-Questions.jpg 891w, https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085241\/N4-Unit-1-Questions-212x300.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=54b2f5a58fab72f8038cc5af111c669c90f121891fa27f252e12686fe30972f5 212w, https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085241\/N4-Unit-1-Questions-724x1024.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=45a452a9d868c64fa384e71b54194719ff0ef2af5e2150765161cb036a1009c1 724w, https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085241\/N4-Unit-1-Questions-768x1086.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=65881bd944b28bf7d17d686a9643d058a55776b6037fe4002dd60d195e8922eb 768w\" sizes=\"(max-width: 212px) 100vw, 212px\" \/><\/a><p id=\"caption-attachment-1905\" class=\"wp-caption-text\"><a href=\"https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/10174025\/N4-Unit-1-Chemical-Changes-and-Structure-Questions.pdf\">National 4 Chemistry Unit 1 &#8211; Chemical Changes and Structure Questions<\/a><\/p><\/div>\n<div id=\"attachment_1902\" style=\"width: 222px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/10174028\/N4-Unit-2-Natures-Chemistry-Questions.pdf\"><img decoding=\"async\" aria-describedby=\"caption-attachment-1902\" class=\"wp-image-1902 size-medium\" style=\"border: 1px solid #000\" src=\"https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085233\/N4-Unit-2-Questions.jpg\" alt=\"National 4 Chemistry Unit 2 - Nature's Chemistry Questions\" width=\"212\" height=\"300\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085233\/N4-Unit-2-Questions.jpg 891w, https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085233\/N4-Unit-2-Questions-212x300.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=3535a13a01b5aadc4aecdc9733c06bfb0ccd5df79af5811f21ba962565574da5 212w, https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085233\/N4-Unit-2-Questions-724x1024.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=91ac24046da86d5ed33f057c9dc3f23cdd729d7821f9803b9c3b0457c649d8b0 724w, https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085233\/N4-Unit-2-Questions-768x1086.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=03272e6e02fa2ad9c72ec1e7f3de3dfa60f08a68519d555e44f8f239205b968c 768w\" sizes=\"(max-width: 212px) 100vw, 212px\" \/><\/a><p id=\"caption-attachment-1902\" class=\"wp-caption-text\"><a href=\"https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/10174028\/N4-Unit-2-Natures-Chemistry-Questions.pdf\">National 4 Chemistry Unit 2 &#8211; Nature&#8217;s Chemistry Questions<\/a><\/p><\/div>\n<div id=\"attachment_1904\" style=\"width: 222px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/10174021\/N4-Unit-3-Chemistry-in-Society-Questions.pdf\"><img decoding=\"async\" aria-describedby=\"caption-attachment-1904\" class=\"wp-image-1904 size-medium\" style=\"border: 1px solid #000\" src=\"https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085238\/N4-Unit-3-Questions.jpg\" alt=\"National 4 Chemistry Unit 3 - Chemistry in Society Questions\" width=\"212\" height=\"300\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085238\/N4-Unit-3-Questions.jpg 891w, https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085238\/N4-Unit-3-Questions-212x300.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=a4b599bb06829a4dfa4b2954817b17ccf5afb45116b94b749071ff2d359447db 212w, https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085238\/N4-Unit-3-Questions-724x1024.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=ae89105a510e0ae2d5e648cc653672f6dd14159d0a7a8b4295a99458c178f86b 724w, https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085238\/N4-Unit-3-Questions-768x1086.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=50944a05f5f795217c8cd1b47e0c22f632fbf38043e7162a18c10790fbcea3bc 768w\" sizes=\"(max-width: 212px) 100vw, 212px\" \/><\/a><p id=\"caption-attachment-1904\" class=\"wp-caption-text\"><a href=\"https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/10174021\/N4-Unit-3-Chemistry-in-Society-Questions.pdf\">National 4 Chemistry Unit 3 &#8211; Chemistry in Society Questions<\/a><\/p><\/div>\n<p><br style=\"clear:both\" \/><\/p>\n<h1>Answer Booklets<\/h1>\n<div id=\"attachment_1900\" style=\"width: 222px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/10174022\/N4-Unit-1-Chemical-Changes-and-Structure-Answers.pdf\"><img decoding=\"async\" aria-describedby=\"caption-attachment-1900\" class=\"wp-image-1900 size-medium\" style=\"border: 1px solid #000\" src=\"https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085226\/N4-Unit-1-Answers.jpg\" alt=\"National 4 Chemistry Unit 1 - Chemical Changes and Structure Questions\" width=\"212\" height=\"300\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085226\/N4-Unit-1-Answers.jpg 891w, https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085226\/N4-Unit-1-Answers-212x300.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=ff1bcf95adc99ee28f09001533e946cc23965cf880a1d12aa9a34ab2f670c703 212w, https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085226\/N4-Unit-1-Answers-724x1024.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=657b77ec2a5ca48e0f86cc11096f10221903e6a4cc838b8147574c8c96851ac6 724w, https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085226\/N4-Unit-1-Answers-768x1086.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=6b0a4a90247193109ce6e6a509fa64f17864dec35210a2227047f97d328a03a2 768w\" sizes=\"(max-width: 212px) 100vw, 212px\" \/><\/a><p id=\"caption-attachment-1900\" class=\"wp-caption-text\"><a href=\"https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/10174022\/N4-Unit-1-Chemical-Changes-and-Structure-Answers.pdf\">National 4 Chemistry Unit 1 &#8211; Chemical Changes and Structure Answers<\/a><\/p><\/div>\n<div id=\"attachment_1901\" style=\"width: 222px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/10174027\/N4-Unit-2-Natures-Chemistry-Answers.pdf\"><img decoding=\"async\" aria-describedby=\"caption-attachment-1901\" class=\"wp-image-1901 size-medium\" style=\"border: 1px solid #000\" src=\"https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085230\/N4-Unit-2-Answers.jpg\" alt=\"National 4 Chemistry Unit 2 - Nature's Chemistry Questions\" width=\"212\" height=\"300\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085230\/N4-Unit-2-Answers.jpg 891w, https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085230\/N4-Unit-2-Answers-212x300.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=ce40364c1f89d78333f44593e4759911aa9bc1147b0bacec2e09556f97330e3e 212w, https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085230\/N4-Unit-2-Answers-724x1024.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=9721a12e00fcb1cc08cc1f88d7085639310a6f7ae0eeebb2c2b9dbcb4cd119e4 724w, https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085230\/N4-Unit-2-Answers-768x1086.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=a6c5cfc03591075d038b0380ff97ba17d900dd44b9a5f4d2340157f592911a5a 768w\" sizes=\"(max-width: 212px) 100vw, 212px\" \/><\/a><p id=\"caption-attachment-1901\" class=\"wp-caption-text\"><a href=\"https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/10174027\/N4-Unit-2-Natures-Chemistry-Answers.pdf\">National 4 Chemistry Unit 2 &#8211; Nature&#8217;s Chemistry Answers<\/a><\/p><\/div>\n<div id=\"attachment_1903\" style=\"width: 222px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/10174019\/N4-Unit-3-Chemistry-in-Society-Answers.pdf\"><img decoding=\"async\" aria-describedby=\"caption-attachment-1903\" class=\"wp-image-1903 size-medium\" style=\"border: 1px solid #000\" src=\"https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085236\/N4-Unit-3-Answers.jpg\" alt=\"National 4 Chemistry Unit 3 - Chemistry in Society Questions\" width=\"212\" height=\"300\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085236\/N4-Unit-3-Answers.jpg 891w, https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085236\/N4-Unit-3-Answers-212x300.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=4d93b5aa50a0037f6bfb870fcbbd1e6a16fe332d9ed77759ea9c7a96bf9b7357 212w, https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085236\/N4-Unit-3-Answers-724x1024.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=8d1daa9b7172b056f01818b125747be520933d0721e0c2fc3ad2e8abe5c662ad 724w, https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11085236\/N4-Unit-3-Answers-768x1086.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=765d9ab72b8a9547bf852e8d1d06bf941ada9fe4d9203e5bdb362228e62157ce 768w\" sizes=\"(max-width: 212px) 100vw, 212px\" \/><\/a><p id=\"caption-attachment-1903\" class=\"wp-caption-text\"><a href=\"https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/10174019\/N4-Unit-3-Chemistry-in-Society-Answers.pdf\">National 4 Chemistry Unit 3 &#8211; Chemistry in Society Answers<\/a><\/p><\/div>\n<p><br style=\"clear:both\" \/><\/p>\n<h1>BBC Bitesize<\/h1>\n<div id=\"attachment_1921\" style=\"width: 310px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/www.bbc.co.uk\/bitesize\/topics\/z6yfr82\"><img decoding=\"async\" aria-describedby=\"caption-attachment-1921\" class=\"wp-image-1921 size-medium\" style=\"border: 1px solid #000\" src=\"https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11101808\/N4-Unit-1-Bitesize-300x132.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&#038;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&#038;X-Amz-Algorithm=AWS4-HMAC-SHA256&#038;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&#038;X-Amz-Date=20261104T135523Z&#038;X-Amz-SignedHeaders=host&#038;X-Amz-Expires=900&#038;X-Amz-Signature=6e270d3013251d88232f286f3f1aab2a1965254f37ddc6b0fa8c5f9f0201793e\" alt=\"National 4 Chemistry Unit 1: Chemical Changes and Structure\" width=\"300\" height=\"132\" srcset=\"https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11101808\/N4-Unit-1-Bitesize-300x132.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=6e270d3013251d88232f286f3f1aab2a1965254f37ddc6b0fa8c5f9f0201793e 300w, https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11101808\/N4-Unit-1-Bitesize-1024x449.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=f1bfcf41f81c64f5234b1e679d29d019fa738f2efa9513b488fa2f02b4e86988 1024w, https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11101808\/N4-Unit-1-Bitesize-768x337.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=54599cf0de904402c98515f67dcc7676f67f64dbcee77166e2ca79f1b41d9c8a 768w, https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11101808\/N4-Unit-1-Bitesize.jpg 1260w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-1921\" class=\"wp-caption-text\"><a href=\"https:\/\/www.bbc.co.uk\/bitesize\/topics\/z6yfr82\">National 4 Chemistry Unit 1: Chemical Changes and Structure<\/a><\/p><\/div>\n<div id=\"attachment_1922\" style=\"width: 310px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/www.bbc.co.uk\/bitesize\/topics\/zvk9q6f\"><img decoding=\"async\" aria-describedby=\"caption-attachment-1922\" class=\"wp-image-1922 size-medium\" style=\"border: 1px solid #000\" src=\"https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11101812\/N4-Unit-2-Bitesize-300x132.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&#038;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&#038;X-Amz-Algorithm=AWS4-HMAC-SHA256&#038;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&#038;X-Amz-Date=20261104T135523Z&#038;X-Amz-SignedHeaders=host&#038;X-Amz-Expires=900&#038;X-Amz-Signature=94f6cf664590be62b2ef1d0def6675dd56ae2075722c3ac2cbc0ae713b2e1af3\" alt=\"National 4 Chemistry Unit 2 - Nature's Chemistry\" width=\"300\" height=\"132\" srcset=\"https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11101812\/N4-Unit-2-Bitesize-300x132.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=94f6cf664590be62b2ef1d0def6675dd56ae2075722c3ac2cbc0ae713b2e1af3 300w, https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11101812\/N4-Unit-2-Bitesize-1024x449.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=45788cd430df15e1b11aa125fff43eef3cdd9b021faafff53e7cf54dc1cebb9a 1024w, https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11101812\/N4-Unit-2-Bitesize-768x337.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=5c2d2cbc17af6e6b6b644b916731933d5a0061ff9f85dc23dfbdb85799a53d1c 768w, https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11101812\/N4-Unit-2-Bitesize.jpg 1260w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-1922\" class=\"wp-caption-text\"><a href=\"https:\/\/www.bbc.co.uk\/bitesize\/topics\/zvk9q6f\">National 4 Chemistry Unit 2 &#8211; Nature&#8217;s Chemistry<\/a><\/p><\/div>\n<div id=\"attachment_1923\" style=\"width: 310px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/www.bbc.co.uk\/bitesize\/topics\/zngbkqt\"><img decoding=\"async\" aria-describedby=\"caption-attachment-1923\" class=\"wp-image-1923 size-medium\" style=\"border: 1px solid #000\" src=\"https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11101816\/N4-Unit-3-Bitesize-300x132.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&#038;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&#038;X-Amz-Algorithm=AWS4-HMAC-SHA256&#038;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&#038;X-Amz-Date=20261104T135523Z&#038;X-Amz-SignedHeaders=host&#038;X-Amz-Expires=900&#038;X-Amz-Signature=9fa340de39ca1fd161480f723d2af02196c2f72ab663863ec1c138d1c25857a7\" alt=\"National 4 Chemistry Unit 3 - Chemistry in Society\" width=\"300\" height=\"132\" srcset=\"https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11101816\/N4-Unit-3-Bitesize-300x132.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=9fa340de39ca1fd161480f723d2af02196c2f72ab663863ec1c138d1c25857a7 300w, https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11101816\/N4-Unit-3-Bitesize-1024x449.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=5717adfa872dd27f143d0cd72204cf6e771279f0cdce880ebd1db3c10f48699c 1024w, https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11101816\/N4-Unit-3-Bitesize-768x337.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=783fa63716e8aa4d17c2f4848f36b6789b5a8452a84ff3fd488fbb2039b03e42 768w, https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11101816\/N4-Unit-3-Bitesize.jpg 1260w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-1923\" class=\"wp-caption-text\"><a href=\"https:\/\/www.bbc.co.uk\/bitesize\/topics\/zngbkqt\">National 4 Chemistry Unit 3 &#8211; Chemistry in Society<\/a><\/p><\/div>\n<p><br style=\"clear:both\" \/><\/p>\n<h1>Miss Adams Chemistry<\/h1>\n<div id=\"attachment_1927\" style=\"width: 310px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/www.youtube.com\/playlist?list=PLpeedPxQgHa1bKB8GhnaswqZx52Rz1ktV\"><img decoding=\"async\" aria-describedby=\"caption-attachment-1927\" class=\"wp-image-1927 size-medium\" style=\"border: 1px solid #000\" src=\"https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11102758\/N4-Unit-1-Miss-Adams-300x150.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&#038;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&#038;X-Amz-Algorithm=AWS4-HMAC-SHA256&#038;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&#038;X-Amz-Date=20261104T135523Z&#038;X-Amz-SignedHeaders=host&#038;X-Amz-Expires=900&#038;X-Amz-Signature=2c63fb1f3d70c1b08f0b3ec177d255eada6edf3f39a706d86e72c1dca5686523\" alt=\"National 4 Chemistry Unit 1 - Chemical Changes and Structure\" width=\"300\" height=\"150\" \/><\/a><p id=\"caption-attachment-1927\" class=\"wp-caption-text\"><a href=\"https:\/\/www.youtube.com\/playlist?list=PLpeedPxQgHa1bKB8GhnaswqZx52Rz1ktV\">National 4 Chemistry Unit 1 &#8211; Chemical Changes and Structure<\/a><\/p><\/div>\n<div id=\"attachment_1929\" style=\"width: 310px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/www.youtube.com\/playlist?list=PLpeedPxQgHa0jy8jP9a4EMiRy6_tSsvLI\"><img decoding=\"async\" aria-describedby=\"caption-attachment-1929\" class=\"wp-image-1929 size-medium\" style=\"border: 1px solid #000\" src=\"https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11102802\/N4-Unit-2-Miss-Adams-300x150.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&#038;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&#038;X-Amz-Algorithm=AWS4-HMAC-SHA256&#038;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&#038;X-Amz-Date=20261104T135523Z&#038;X-Amz-SignedHeaders=host&#038;X-Amz-Expires=900&#038;X-Amz-Signature=ab02fe03e3b55509661abb5e6cc4744ecfaccd6830b21410f3defa27cd1543a3\" alt=\"National 4 Chemistry Unit 2 - Nature's Chemistry\" width=\"300\" height=\"150\" srcset=\"https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11102802\/N4-Unit-2-Miss-Adams-300x150.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=ab02fe03e3b55509661abb5e6cc4744ecfaccd6830b21410f3defa27cd1543a3 300w, https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11102802\/N4-Unit-2-Miss-Adams-1024x512.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=dc20e28fa8045bd3e62e9292de083623f8a84c36b667c2c79ca8ebaa7617954d 1024w, https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11102802\/N4-Unit-2-Miss-Adams-768x384.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261104T135523Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=41fbf4612b8f2999752625bb06793e6ee46d16775f1f05f80a7dce7256be812c 768w, https:\/\/blogs.glowscotland.org.uk\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11102802\/N4-Unit-2-Miss-Adams.jpg 1260w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-1929\" class=\"wp-caption-text\"><a href=\"https:\/\/www.youtube.com\/playlist?list=PLpeedPxQgHa0jy8jP9a4EMiRy6_tSsvLI\">National 4 Chemistry Unit 2 &#8211; Nature&#8217;s Chemistry<\/a><\/p><\/div>\n<div id=\"attachment_1928\" style=\"width: 310px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/www.youtube.com\/playlist?list=PLpeedPxQgHa27YqqB8Xq2bmN7UJHS2-G8\"><img decoding=\"async\" aria-describedby=\"caption-attachment-1928\" class=\"wp-image-1928 size-medium\" style=\"border: 1px solid #000\" src=\"https:\/\/glow-prod-fi.s3.eu-west-1.amazonaws.com\/fi\/public\/askdrmurraydotcom\/uploads\/sites\/7813\/2021\/01\/11102756\/N4-Unit-3-Miss-Adams-300x150.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&#038;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEOb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIDVDefp%2F5f5sHpvl2Xn5UPM%2FEYgLpnjLxn%2BjPWcuGGarAiEAgwlY5%2FD1VKyiBNzCombAEmJuFnSuEzkqtHL5kUiptzIqwQUIrv%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDJthjseikeqyDFd%2BbyqVBZ7sdvv5H4Yc0PoLIBrk5Emkpqux34C9gkuCbUnaeyPfiWVLJ5bnxT03sRbOE3ESziPeciDEPcYJVEVHsL9Gdp5rmWodmBrLFUUChK7a2FGVjAKQTBgxaZlsABdf%2B9f5MeLJeCUhdqUT%2FUIry2HPIKjgdW%2FcGWqx%2BQ6P7TnpVj63SQGsHiqZ5cLqLXRRRBiWAZvsjWzjf7H6nB65xrZlKTjUl3r4hV74qlqk%2B3v1gpCTHGZBmZjsvGLfaatwAaADavp9%2BPUq1IZPq4BgAIfuLzcNPbrTfsrgGX8wfXl2EyKLvbT31%2Fc5bqxxx0dkqPEUYyU8GJ650wHzmYSR6twM4e5hNqPAaOjM7uINOfe%2FrYbDCoFXlv82X3BQr%2BomwGbOADFugXWBYWDsjIW7WmODTVoYkBqwHSNjkgHeDfVnSUi1f7js%2BoJiuD6eXrmamm9%2BwHgs6GsR1NcbAz0rQmaiIBIgggPo6Czo1mU%2BtvSbcVR9XxogleyfE%2FVYxBhMXPmeTsaEvC7LEx3xxf7JrhmSV5e12iTZ2nAeUaUdh1Jg7lkMsW2lasPzaL4qUGXRX2GByPvdSfZl5aOSMzAyCtoFwhI3sDE9MjPEu2Srp%2FeNn84MiZ9rUjEst1BCe43wo0D9bDb4sJkSO%2FC619TuUfMoxPEEdwVjKVLqciIsh9CNzmdMyXgNuPiaJOB0tsDRwNJp3W7HpdMHfxrPJXW%2BryouajQXIfMgDd2G2c2YA8rahkSgQwdQ2Aahe3UA3sS3cdPUfQ7LA3CesSHZnhaOorSF9rp2nvhTAYeJUoRHZMjb8GXTeCDqi45aoHItjzPfjSGBhHQJWoE%2FEXOtlT72bpnSPFjkLY683vFZGK5JuBun%2BOsD0uWvigAwoOWs1wY6sQFLK%2FR4jQ1gxfjb7uihIBx8LKu%2FyXCYfqGzxX7bUz3fnMgLcyRo4en1kTHQiM6wSHLV%2F7S%2B%2BTwRtS7pfpmWIdjCAVKRGbWf4E3BIOIJv1aDzJLNGzAfH6Zkyf2WD09K45g3BFPgf%2FjeQVsXtS%2Fv7XMCsfnIQdRD4Do3T%2Fkmo3d3vqm91bKJsPiPxbZclfjlRhLxLasFc5ocJhX72b6g0HAugB9hN5xKG3YbaKeZR5wLx4w%3D&#038;X-Amz-Algorithm=AWS4-HMAC-SHA256&#038;X-Amz-Credential=ASIAT7MQN47U5EOFR3MY%2F20261104%2Feu-west-1%2Fs3%2Faws4_request&#038;X-Amz-Date=20261104T135523Z&#038;X-Amz-SignedHeaders=host&#038;X-Amz-Expires=900&#038;X-Amz-Signature=0e15b40cb5032a4576b07ceea9608be8b239c425e3f43cd05aaba672daca5d3a\" alt=\"National 4 Chemistry Unit 3 - Chemistry in Society\" width=\"300\" height=\"150\" \/><\/a><p id=\"caption-attachment-1928\" class=\"wp-caption-text\"><a href=\"https:\/\/www.youtube.com\/playlist?list=PLpeedPxQgHa27YqqB8Xq2bmN7UJHS2-G8\">National 4 Chemistry Unit 3 &#8211; Chemistry in Society<\/a><\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>SQA Materials Notes Booklets Question Booklets Answer Booklets BBC Bitesize Miss Adams Chemistry<\/p>\n","protected":false},"author":10574,"featured_media":0,"parent":2000,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"full-width-page.php","meta":{"footnotes":""},"class_list":["post-1838","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/blogs.glowscotland.org.uk\/fi\/askdrmurraydotcom\/wp-json\/wp\/v2\/pages\/1838","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.glowscotland.org.uk\/fi\/askdrmurraydotcom\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/blogs.glowscotland.org.uk\/fi\/askdrmurraydotcom\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/fi\/askdrmurraydotcom\/wp-json\/wp\/v2\/users\/10574"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/fi\/askdrmurraydotcom\/wp-json\/wp\/v2\/comments?post=1838"}],"version-history":[{"count":54,"href":"https:\/\/blogs.glowscotland.org.uk\/fi\/askdrmurraydotcom\/wp-json\/wp\/v2\/pages\/1838\/revisions"}],"predecessor-version":[{"id":3660,"href":"https:\/\/blogs.glowscotland.org.uk\/fi\/askdrmurraydotcom\/wp-json\/wp\/v2\/pages\/1838\/revisions\/3660"}],"up":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/fi\/askdrmurraydotcom\/wp-json\/wp\/v2\/pages\/2000"}],"wp:attachment":[{"href":"https:\/\/blogs.glowscotland.org.uk\/fi\/askdrmurraydotcom\/wp-json\/wp\/v2\/media?parent=1838"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}