{"id":271,"date":"2018-05-04T08:34:27","date_gmt":"2018-05-04T08:34:27","guid":{"rendered":"https:\/\/blogs.glowscotland.org.uk\/gc\/ahchemmarkingguides\/?page_id=271"},"modified":"2018-05-04T13:09:27","modified_gmt":"2018-05-04T13:09:27","slug":"marking-guide-exercise-2_1a-molecular-orbitals","status":"publish","type":"page","link":"https:\/\/blogs.glowscotland.org.uk\/gc\/ahchemmarkingguides\/marking-guide-exercise-2_1a-molecular-orbitals\/","title":{"rendered":"Marking Guide:  Exercise 2_1A Molecular orbitals"},"content":{"rendered":"<p>&nbsp;<\/p>\n<table>\n<tbody>\n<tr>\n<td>\u00a01.<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>\u00a02.<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>\u00a03.<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>\u00a04.<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>\u00a05.<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>\u00a06.<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>\u00a07.<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>\u00a08.<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>\u00a09.<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>\u00a010.<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>\u00a011.<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-272\" src=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture86.jpg\" alt=\"\" width=\"580\" height=\"467\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture86.jpg 971w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture86-300x241.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEE0aCWV1LXdlc3QtMSJHMEUCIQDZR5OXgpi27CWjGbCTTMTpw3IExnqZcTBeWjJMKfMImAIgEPgwalrHRHSNGJxriPyMm%2Fy8Nreq65CJ4DbX3jqLL%2BgquQUIFhAFGgwyNzM1NzAxOTU0MzMiDFsY5M9J23EWwIbHKyqWBUDUT4Wxl4gZYjRERwI7Mu70yNAVQWatzFnHvcrD5dtqYvu%2FRTQvaHiaxvEaRYD%2BgeMCUiHgSSDIaD8oAO23PpuJbibq9t%2BrX%2BVPggbe%2By7SbFR0A9h3Ibn5ADxukEa%2BuQU1TrgV7mTqTepUy8f5Xzck7gpWKpkQclP7f1c3sgceFt3HSUSee%2F3oCZpkWHDzPY8aCIhJjnUb10qfp3aiCI3qT7diKSy8XM0q9kpTJvHRuc%2BW4Sv8Cq%2F%2Fg%2B%2FbFJTTWKU9RAUzkf%2FnCc1myuKZkozjJpEcZJ9pNqCzVTqwoqsiANO%2Bi5erBAETQKGA5pyF2spi%2F%2Fgv9Kdf%2BC7nCAGLJjrAKnVjkiW%2F%2F7y6bqLI4cXiMPFkTlRvyXc9njCt9PBuI4bZ%2F0L7dGeCR7fmSs7IkVrQ59COyPXGtntvOjHeIDGtEHZeMGwEfscCjxVuEtS3K%2BCaPI2HxfBRoEuOaydsBFhaJamk3Jk0PJhvRGYVa0UCEnoM1d7GrVhpjnTUUuoK4XOfAcwavs6ZlZjZGKjqxxV%2FQM%2FniB8hjtkvhe83pVxJ3qDSoPZNzRgUvfdvyruIsV0P1KBJkHo2JbfsD1UKsgDYFdqDPTRNA42JoGM6k69u1f3BOElbH1FFojaQR5A348ZNl2SqnhyR7kcLLyvkH%2B0pp33s1yBisGNNo27HPY9RCzjMySGRIZEmgMPuxlyhyyE%2Br5fEu9C1XB501Gq7dhZ0u215VpkdKRUpaHk2qpyuVFc29C%2FQ9dNWv3Nm3jIE04NTfEpADbHtTCiGWgiR7FbcATxZtXfBZBAwYa1jSI59jf%2B7wyJ3xVVboROadZ2V5FK9COdZYJFLn5XNEyrsVxaRbs4Yfz3DTPM6pSoawrGmUA2aLtL4MNKDz88GOrEBIJ%2FEau0ZLFfBKVxcC%2B636SFrCvmMqaPGTdTAHsQ3Jk%2Bk1P8nGL3QyF9y43YgKkFBZjmoOdlzOIYzkgoBbsTBsaHnL5M4W0mrS0P7s%2BHdHo%2Fo3lYvOeLl7x8QSOiVVi25A0n5L%2BTTYKRy4%2FlXpQAtthLWES6AiBokqnthN23h%2FLuynBIcdBaQXC5L3d21nqqGpmtJM4Pf18XDam0Qknra829nfPs7yzI4vUztirUPUtUi&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U6QGX67XW%2F20260430%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260430T215802Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=c3f282e9e286da234c4cef47a76250163263f8052a8348d216f7d919b019642e 300w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture86-768x618.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEE0aCWV1LXdlc3QtMSJHMEUCIQDZR5OXgpi27CWjGbCTTMTpw3IExnqZcTBeWjJMKfMImAIgEPgwalrHRHSNGJxriPyMm%2Fy8Nreq65CJ4DbX3jqLL%2BgquQUIFhAFGgwyNzM1NzAxOTU0MzMiDFsY5M9J23EWwIbHKyqWBUDUT4Wxl4gZYjRERwI7Mu70yNAVQWatzFnHvcrD5dtqYvu%2FRTQvaHiaxvEaRYD%2BgeMCUiHgSSDIaD8oAO23PpuJbibq9t%2BrX%2BVPggbe%2By7SbFR0A9h3Ibn5ADxukEa%2BuQU1TrgV7mTqTepUy8f5Xzck7gpWKpkQclP7f1c3sgceFt3HSUSee%2F3oCZpkWHDzPY8aCIhJjnUb10qfp3aiCI3qT7diKSy8XM0q9kpTJvHRuc%2BW4Sv8Cq%2F%2Fg%2B%2FbFJTTWKU9RAUzkf%2FnCc1myuKZkozjJpEcZJ9pNqCzVTqwoqsiANO%2Bi5erBAETQKGA5pyF2spi%2F%2Fgv9Kdf%2BC7nCAGLJjrAKnVjkiW%2F%2F7y6bqLI4cXiMPFkTlRvyXc9njCt9PBuI4bZ%2F0L7dGeCR7fmSs7IkVrQ59COyPXGtntvOjHeIDGtEHZeMGwEfscCjxVuEtS3K%2BCaPI2HxfBRoEuOaydsBFhaJamk3Jk0PJhvRGYVa0UCEnoM1d7GrVhpjnTUUuoK4XOfAcwavs6ZlZjZGKjqxxV%2FQM%2FniB8hjtkvhe83pVxJ3qDSoPZNzRgUvfdvyruIsV0P1KBJkHo2JbfsD1UKsgDYFdqDPTRNA42JoGM6k69u1f3BOElbH1FFojaQR5A348ZNl2SqnhyR7kcLLyvkH%2B0pp33s1yBisGNNo27HPY9RCzjMySGRIZEmgMPuxlyhyyE%2Br5fEu9C1XB501Gq7dhZ0u215VpkdKRUpaHk2qpyuVFc29C%2FQ9dNWv3Nm3jIE04NTfEpADbHtTCiGWgiR7FbcATxZtXfBZBAwYa1jSI59jf%2B7wyJ3xVVboROadZ2V5FK9COdZYJFLn5XNEyrsVxaRbs4Yfz3DTPM6pSoawrGmUA2aLtL4MNKDz88GOrEBIJ%2FEau0ZLFfBKVxcC%2B636SFrCvmMqaPGTdTAHsQ3Jk%2Bk1P8nGL3QyF9y43YgKkFBZjmoOdlzOIYzkgoBbsTBsaHnL5M4W0mrS0P7s%2BHdHo%2Fo3lYvOeLl7x8QSOiVVi25A0n5L%2BTTYKRy4%2FlXpQAtthLWES6AiBokqnthN23h%2FLuynBIcdBaQXC5L3d21nqqGpmtJM4Pf18XDam0Qknra829nfPs7yzI4vUztirUPUtUi&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U6QGX67XW%2F20260430%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260430T215802Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=fa633448b2803884af823b883984a35503bd1b57eac2174c44ced0fe2b277664 768w\" sizes=\"auto, (max-width: 580px) 85vw, 580px\" \/><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>\u00a012.<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-324\" src=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture21-2.jpg\" alt=\"\" width=\"580\" height=\"140\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture21-2.jpg 1010w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture21-2-300x72.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEE0aCWV1LXdlc3QtMSJHMEUCIQDZR5OXgpi27CWjGbCTTMTpw3IExnqZcTBeWjJMKfMImAIgEPgwalrHRHSNGJxriPyMm%2Fy8Nreq65CJ4DbX3jqLL%2BgquQUIFhAFGgwyNzM1NzAxOTU0MzMiDFsY5M9J23EWwIbHKyqWBUDUT4Wxl4gZYjRERwI7Mu70yNAVQWatzFnHvcrD5dtqYvu%2FRTQvaHiaxvEaRYD%2BgeMCUiHgSSDIaD8oAO23PpuJbibq9t%2BrX%2BVPggbe%2By7SbFR0A9h3Ibn5ADxukEa%2BuQU1TrgV7mTqTepUy8f5Xzck7gpWKpkQclP7f1c3sgceFt3HSUSee%2F3oCZpkWHDzPY8aCIhJjnUb10qfp3aiCI3qT7diKSy8XM0q9kpTJvHRuc%2BW4Sv8Cq%2F%2Fg%2B%2FbFJTTWKU9RAUzkf%2FnCc1myuKZkozjJpEcZJ9pNqCzVTqwoqsiANO%2Bi5erBAETQKGA5pyF2spi%2F%2Fgv9Kdf%2BC7nCAGLJjrAKnVjkiW%2F%2F7y6bqLI4cXiMPFkTlRvyXc9njCt9PBuI4bZ%2F0L7dGeCR7fmSs7IkVrQ59COyPXGtntvOjHeIDGtEHZeMGwEfscCjxVuEtS3K%2BCaPI2HxfBRoEuOaydsBFhaJamk3Jk0PJhvRGYVa0UCEnoM1d7GrVhpjnTUUuoK4XOfAcwavs6ZlZjZGKjqxxV%2FQM%2FniB8hjtkvhe83pVxJ3qDSoPZNzRgUvfdvyruIsV0P1KBJkHo2JbfsD1UKsgDYFdqDPTRNA42JoGM6k69u1f3BOElbH1FFojaQR5A348ZNl2SqnhyR7kcLLyvkH%2B0pp33s1yBisGNNo27HPY9RCzjMySGRIZEmgMPuxlyhyyE%2Br5fEu9C1XB501Gq7dhZ0u215VpkdKRUpaHk2qpyuVFc29C%2FQ9dNWv3Nm3jIE04NTfEpADbHtTCiGWgiR7FbcATxZtXfBZBAwYa1jSI59jf%2B7wyJ3xVVboROadZ2V5FK9COdZYJFLn5XNEyrsVxaRbs4Yfz3DTPM6pSoawrGmUA2aLtL4MNKDz88GOrEBIJ%2FEau0ZLFfBKVxcC%2B636SFrCvmMqaPGTdTAHsQ3Jk%2Bk1P8nGL3QyF9y43YgKkFBZjmoOdlzOIYzkgoBbsTBsaHnL5M4W0mrS0P7s%2BHdHo%2Fo3lYvOeLl7x8QSOiVVi25A0n5L%2BTTYKRy4%2FlXpQAtthLWES6AiBokqnthN23h%2FLuynBIcdBaQXC5L3d21nqqGpmtJM4Pf18XDam0Qknra829nfPs7yzI4vUztirUPUtUi&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U6QGX67XW%2F20260430%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260430T215802Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=f212fa111c2d16a1a8fdd09da623cd70c73954a612b76a2c0a7f449c8d89d8de 300w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture21-2-768x185.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEE0aCWV1LXdlc3QtMSJHMEUCIQDZR5OXgpi27CWjGbCTTMTpw3IExnqZcTBeWjJMKfMImAIgEPgwalrHRHSNGJxriPyMm%2Fy8Nreq65CJ4DbX3jqLL%2BgquQUIFhAFGgwyNzM1NzAxOTU0MzMiDFsY5M9J23EWwIbHKyqWBUDUT4Wxl4gZYjRERwI7Mu70yNAVQWatzFnHvcrD5dtqYvu%2FRTQvaHiaxvEaRYD%2BgeMCUiHgSSDIaD8oAO23PpuJbibq9t%2BrX%2BVPggbe%2By7SbFR0A9h3Ibn5ADxukEa%2BuQU1TrgV7mTqTepUy8f5Xzck7gpWKpkQclP7f1c3sgceFt3HSUSee%2F3oCZpkWHDzPY8aCIhJjnUb10qfp3aiCI3qT7diKSy8XM0q9kpTJvHRuc%2BW4Sv8Cq%2F%2Fg%2B%2FbFJTTWKU9RAUzkf%2FnCc1myuKZkozjJpEcZJ9pNqCzVTqwoqsiANO%2Bi5erBAETQKGA5pyF2spi%2F%2Fgv9Kdf%2BC7nCAGLJjrAKnVjkiW%2F%2F7y6bqLI4cXiMPFkTlRvyXc9njCt9PBuI4bZ%2F0L7dGeCR7fmSs7IkVrQ59COyPXGtntvOjHeIDGtEHZeMGwEfscCjxVuEtS3K%2BCaPI2HxfBRoEuOaydsBFhaJamk3Jk0PJhvRGYVa0UCEnoM1d7GrVhpjnTUUuoK4XOfAcwavs6ZlZjZGKjqxxV%2FQM%2FniB8hjtkvhe83pVxJ3qDSoPZNzRgUvfdvyruIsV0P1KBJkHo2JbfsD1UKsgDYFdqDPTRNA42JoGM6k69u1f3BOElbH1FFojaQR5A348ZNl2SqnhyR7kcLLyvkH%2B0pp33s1yBisGNNo27HPY9RCzjMySGRIZEmgMPuxlyhyyE%2Br5fEu9C1XB501Gq7dhZ0u215VpkdKRUpaHk2qpyuVFc29C%2FQ9dNWv3Nm3jIE04NTfEpADbHtTCiGWgiR7FbcATxZtXfBZBAwYa1jSI59jf%2B7wyJ3xVVboROadZ2V5FK9COdZYJFLn5XNEyrsVxaRbs4Yfz3DTPM6pSoawrGmUA2aLtL4MNKDz88GOrEBIJ%2FEau0ZLFfBKVxcC%2B636SFrCvmMqaPGTdTAHsQ3Jk%2Bk1P8nGL3QyF9y43YgKkFBZjmoOdlzOIYzkgoBbsTBsaHnL5M4W0mrS0P7s%2BHdHo%2Fo3lYvOeLl7x8QSOiVVi25A0n5L%2BTTYKRy4%2FlXpQAtthLWES6AiBokqnthN23h%2FLuynBIcdBaQXC5L3d21nqqGpmtJM4Pf18XDam0Qknra829nfPs7yzI4vUztirUPUtUi&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U6QGX67XW%2F20260430%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260430T215802Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=ff6ee8e4c7bde91628d84c2450ecb7636659ff5e40fef0c3fe899a7cfe9b2f38 768w\" sizes=\"auto, (max-width: 580px) 85vw, 580px\" \/><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>\u00a013.<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>\u00a014.<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-281\" src=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture110.jpg\" alt=\"\" width=\"580\" height=\"682\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture110.jpg 962w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture110-255x300.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEE0aCWV1LXdlc3QtMSJHMEUCIQDZR5OXgpi27CWjGbCTTMTpw3IExnqZcTBeWjJMKfMImAIgEPgwalrHRHSNGJxriPyMm%2Fy8Nreq65CJ4DbX3jqLL%2BgquQUIFhAFGgwyNzM1NzAxOTU0MzMiDFsY5M9J23EWwIbHKyqWBUDUT4Wxl4gZYjRERwI7Mu70yNAVQWatzFnHvcrD5dtqYvu%2FRTQvaHiaxvEaRYD%2BgeMCUiHgSSDIaD8oAO23PpuJbibq9t%2BrX%2BVPggbe%2By7SbFR0A9h3Ibn5ADxukEa%2BuQU1TrgV7mTqTepUy8f5Xzck7gpWKpkQclP7f1c3sgceFt3HSUSee%2F3oCZpkWHDzPY8aCIhJjnUb10qfp3aiCI3qT7diKSy8XM0q9kpTJvHRuc%2BW4Sv8Cq%2F%2Fg%2B%2FbFJTTWKU9RAUzkf%2FnCc1myuKZkozjJpEcZJ9pNqCzVTqwoqsiANO%2Bi5erBAETQKGA5pyF2spi%2F%2Fgv9Kdf%2BC7nCAGLJjrAKnVjkiW%2F%2F7y6bqLI4cXiMPFkTlRvyXc9njCt9PBuI4bZ%2F0L7dGeCR7fmSs7IkVrQ59COyPXGtntvOjHeIDGtEHZeMGwEfscCjxVuEtS3K%2BCaPI2HxfBRoEuOaydsBFhaJamk3Jk0PJhvRGYVa0UCEnoM1d7GrVhpjnTUUuoK4XOfAcwavs6ZlZjZGKjqxxV%2FQM%2FniB8hjtkvhe83pVxJ3qDSoPZNzRgUvfdvyruIsV0P1KBJkHo2JbfsD1UKsgDYFdqDPTRNA42JoGM6k69u1f3BOElbH1FFojaQR5A348ZNl2SqnhyR7kcLLyvkH%2B0pp33s1yBisGNNo27HPY9RCzjMySGRIZEmgMPuxlyhyyE%2Br5fEu9C1XB501Gq7dhZ0u215VpkdKRUpaHk2qpyuVFc29C%2FQ9dNWv3Nm3jIE04NTfEpADbHtTCiGWgiR7FbcATxZtXfBZBAwYa1jSI59jf%2B7wyJ3xVVboROadZ2V5FK9COdZYJFLn5XNEyrsVxaRbs4Yfz3DTPM6pSoawrGmUA2aLtL4MNKDz88GOrEBIJ%2FEau0ZLFfBKVxcC%2B636SFrCvmMqaPGTdTAHsQ3Jk%2Bk1P8nGL3QyF9y43YgKkFBZjmoOdlzOIYzkgoBbsTBsaHnL5M4W0mrS0P7s%2BHdHo%2Fo3lYvOeLl7x8QSOiVVi25A0n5L%2BTTYKRy4%2FlXpQAtthLWES6AiBokqnthN23h%2FLuynBIcdBaQXC5L3d21nqqGpmtJM4Pf18XDam0Qknra829nfPs7yzI4vUztirUPUtUi&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U6QGX67XW%2F20260430%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260430T215802Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=9b32dabd67f2501f3bca147ff3cca29d61f747e3660cb1f4e45fd220cd0dd599 255w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture110-768x904.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEE0aCWV1LXdlc3QtMSJHMEUCIQDZR5OXgpi27CWjGbCTTMTpw3IExnqZcTBeWjJMKfMImAIgEPgwalrHRHSNGJxriPyMm%2Fy8Nreq65CJ4DbX3jqLL%2BgquQUIFhAFGgwyNzM1NzAxOTU0MzMiDFsY5M9J23EWwIbHKyqWBUDUT4Wxl4gZYjRERwI7Mu70yNAVQWatzFnHvcrD5dtqYvu%2FRTQvaHiaxvEaRYD%2BgeMCUiHgSSDIaD8oAO23PpuJbibq9t%2BrX%2BVPggbe%2By7SbFR0A9h3Ibn5ADxukEa%2BuQU1TrgV7mTqTepUy8f5Xzck7gpWKpkQclP7f1c3sgceFt3HSUSee%2F3oCZpkWHDzPY8aCIhJjnUb10qfp3aiCI3qT7diKSy8XM0q9kpTJvHRuc%2BW4Sv8Cq%2F%2Fg%2B%2FbFJTTWKU9RAUzkf%2FnCc1myuKZkozjJpEcZJ9pNqCzVTqwoqsiANO%2Bi5erBAETQKGA5pyF2spi%2F%2Fgv9Kdf%2BC7nCAGLJjrAKnVjkiW%2F%2F7y6bqLI4cXiMPFkTlRvyXc9njCt9PBuI4bZ%2F0L7dGeCR7fmSs7IkVrQ59COyPXGtntvOjHeIDGtEHZeMGwEfscCjxVuEtS3K%2BCaPI2HxfBRoEuOaydsBFhaJamk3Jk0PJhvRGYVa0UCEnoM1d7GrVhpjnTUUuoK4XOfAcwavs6ZlZjZGKjqxxV%2FQM%2FniB8hjtkvhe83pVxJ3qDSoPZNzRgUvfdvyruIsV0P1KBJkHo2JbfsD1UKsgDYFdqDPTRNA42JoGM6k69u1f3BOElbH1FFojaQR5A348ZNl2SqnhyR7kcLLyvkH%2B0pp33s1yBisGNNo27HPY9RCzjMySGRIZEmgMPuxlyhyyE%2Br5fEu9C1XB501Gq7dhZ0u215VpkdKRUpaHk2qpyuVFc29C%2FQ9dNWv3Nm3jIE04NTfEpADbHtTCiGWgiR7FbcATxZtXfBZBAwYa1jSI59jf%2B7wyJ3xVVboROadZ2V5FK9COdZYJFLn5XNEyrsVxaRbs4Yfz3DTPM6pSoawrGmUA2aLtL4MNKDz88GOrEBIJ%2FEau0ZLFfBKVxcC%2B636SFrCvmMqaPGTdTAHsQ3Jk%2Bk1P8nGL3QyF9y43YgKkFBZjmoOdlzOIYzkgoBbsTBsaHnL5M4W0mrS0P7s%2BHdHo%2Fo3lYvOeLl7x8QSOiVVi25A0n5L%2BTTYKRy4%2FlXpQAtthLWES6AiBokqnthN23h%2FLuynBIcdBaQXC5L3d21nqqGpmtJM4Pf18XDam0Qknra829nfPs7yzI4vUztirUPUtUi&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U6QGX67XW%2F20260430%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260430T215802Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=d6d6e5d243d6b61ea233cff6ec331568d7d5a82cfcb0e01a9c8ddf6696139425 768w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture110-870x1024.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEE0aCWV1LXdlc3QtMSJHMEUCIQDZR5OXgpi27CWjGbCTTMTpw3IExnqZcTBeWjJMKfMImAIgEPgwalrHRHSNGJxriPyMm%2Fy8Nreq65CJ4DbX3jqLL%2BgquQUIFhAFGgwyNzM1NzAxOTU0MzMiDFsY5M9J23EWwIbHKyqWBUDUT4Wxl4gZYjRERwI7Mu70yNAVQWatzFnHvcrD5dtqYvu%2FRTQvaHiaxvEaRYD%2BgeMCUiHgSSDIaD8oAO23PpuJbibq9t%2BrX%2BVPggbe%2By7SbFR0A9h3Ibn5ADxukEa%2BuQU1TrgV7mTqTepUy8f5Xzck7gpWKpkQclP7f1c3sgceFt3HSUSee%2F3oCZpkWHDzPY8aCIhJjnUb10qfp3aiCI3qT7diKSy8XM0q9kpTJvHRuc%2BW4Sv8Cq%2F%2Fg%2B%2FbFJTTWKU9RAUzkf%2FnCc1myuKZkozjJpEcZJ9pNqCzVTqwoqsiANO%2Bi5erBAETQKGA5pyF2spi%2F%2Fgv9Kdf%2BC7nCAGLJjrAKnVjkiW%2F%2F7y6bqLI4cXiMPFkTlRvyXc9njCt9PBuI4bZ%2F0L7dGeCR7fmSs7IkVrQ59COyPXGtntvOjHeIDGtEHZeMGwEfscCjxVuEtS3K%2BCaPI2HxfBRoEuOaydsBFhaJamk3Jk0PJhvRGYVa0UCEnoM1d7GrVhpjnTUUuoK4XOfAcwavs6ZlZjZGKjqxxV%2FQM%2FniB8hjtkvhe83pVxJ3qDSoPZNzRgUvfdvyruIsV0P1KBJkHo2JbfsD1UKsgDYFdqDPTRNA42JoGM6k69u1f3BOElbH1FFojaQR5A348ZNl2SqnhyR7kcLLyvkH%2B0pp33s1yBisGNNo27HPY9RCzjMySGRIZEmgMPuxlyhyyE%2Br5fEu9C1XB501Gq7dhZ0u215VpkdKRUpaHk2qpyuVFc29C%2FQ9dNWv3Nm3jIE04NTfEpADbHtTCiGWgiR7FbcATxZtXfBZBAwYa1jSI59jf%2B7wyJ3xVVboROadZ2V5FK9COdZYJFLn5XNEyrsVxaRbs4Yfz3DTPM6pSoawrGmUA2aLtL4MNKDz88GOrEBIJ%2FEau0ZLFfBKVxcC%2B636SFrCvmMqaPGTdTAHsQ3Jk%2Bk1P8nGL3QyF9y43YgKkFBZjmoOdlzOIYzkgoBbsTBsaHnL5M4W0mrS0P7s%2BHdHo%2Fo3lYvOeLl7x8QSOiVVi25A0n5L%2BTTYKRy4%2FlXpQAtthLWES6AiBokqnthN23h%2FLuynBIcdBaQXC5L3d21nqqGpmtJM4Pf18XDam0Qknra829nfPs7yzI4vUztirUPUtUi&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U6QGX67XW%2F20260430%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260430T215802Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=dc2ec3524411e99787c8e56e0cd3b1291d2f83c7cf698b9d12ba241bdf60fabd 870w\" sizes=\"auto, (max-width: 580px) 85vw, 580px\" \/><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>\u00a0<img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-283\" src=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture111.jpg\" alt=\"\" width=\"580\" height=\"548\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture111.jpg 959w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture111-300x283.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEE0aCWV1LXdlc3QtMSJHMEUCIQDZR5OXgpi27CWjGbCTTMTpw3IExnqZcTBeWjJMKfMImAIgEPgwalrHRHSNGJxriPyMm%2Fy8Nreq65CJ4DbX3jqLL%2BgquQUIFhAFGgwyNzM1NzAxOTU0MzMiDFsY5M9J23EWwIbHKyqWBUDUT4Wxl4gZYjRERwI7Mu70yNAVQWatzFnHvcrD5dtqYvu%2FRTQvaHiaxvEaRYD%2BgeMCUiHgSSDIaD8oAO23PpuJbibq9t%2BrX%2BVPggbe%2By7SbFR0A9h3Ibn5ADxukEa%2BuQU1TrgV7mTqTepUy8f5Xzck7gpWKpkQclP7f1c3sgceFt3HSUSee%2F3oCZpkWHDzPY8aCIhJjnUb10qfp3aiCI3qT7diKSy8XM0q9kpTJvHRuc%2BW4Sv8Cq%2F%2Fg%2B%2FbFJTTWKU9RAUzkf%2FnCc1myuKZkozjJpEcZJ9pNqCzVTqwoqsiANO%2Bi5erBAETQKGA5pyF2spi%2F%2Fgv9Kdf%2BC7nCAGLJjrAKnVjkiW%2F%2F7y6bqLI4cXiMPFkTlRvyXc9njCt9PBuI4bZ%2F0L7dGeCR7fmSs7IkVrQ59COyPXGtntvOjHeIDGtEHZeMGwEfscCjxVuEtS3K%2BCaPI2HxfBRoEuOaydsBFhaJamk3Jk0PJhvRGYVa0UCEnoM1d7GrVhpjnTUUuoK4XOfAcwavs6ZlZjZGKjqxxV%2FQM%2FniB8hjtkvhe83pVxJ3qDSoPZNzRgUvfdvyruIsV0P1KBJkHo2JbfsD1UKsgDYFdqDPTRNA42JoGM6k69u1f3BOElbH1FFojaQR5A348ZNl2SqnhyR7kcLLyvkH%2B0pp33s1yBisGNNo27HPY9RCzjMySGRIZEmgMPuxlyhyyE%2Br5fEu9C1XB501Gq7dhZ0u215VpkdKRUpaHk2qpyuVFc29C%2FQ9dNWv3Nm3jIE04NTfEpADbHtTCiGWgiR7FbcATxZtXfBZBAwYa1jSI59jf%2B7wyJ3xVVboROadZ2V5FK9COdZYJFLn5XNEyrsVxaRbs4Yfz3DTPM6pSoawrGmUA2aLtL4MNKDz88GOrEBIJ%2FEau0ZLFfBKVxcC%2B636SFrCvmMqaPGTdTAHsQ3Jk%2Bk1P8nGL3QyF9y43YgKkFBZjmoOdlzOIYzkgoBbsTBsaHnL5M4W0mrS0P7s%2BHdHo%2Fo3lYvOeLl7x8QSOiVVi25A0n5L%2BTTYKRy4%2FlXpQAtthLWES6AiBokqnthN23h%2FLuynBIcdBaQXC5L3d21nqqGpmtJM4Pf18XDam0Qknra829nfPs7yzI4vUztirUPUtUi&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U6QGX67XW%2F20260430%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260430T215802Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=6019ece3e7d625b23bfdf65c01faa4fa7af4d3fb18ffb85cb1e1d7ee3bebe0f4 300w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture111-768x726.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEE0aCWV1LXdlc3QtMSJHMEUCIQDZR5OXgpi27CWjGbCTTMTpw3IExnqZcTBeWjJMKfMImAIgEPgwalrHRHSNGJxriPyMm%2Fy8Nreq65CJ4DbX3jqLL%2BgquQUIFhAFGgwyNzM1NzAxOTU0MzMiDFsY5M9J23EWwIbHKyqWBUDUT4Wxl4gZYjRERwI7Mu70yNAVQWatzFnHvcrD5dtqYvu%2FRTQvaHiaxvEaRYD%2BgeMCUiHgSSDIaD8oAO23PpuJbibq9t%2BrX%2BVPggbe%2By7SbFR0A9h3Ibn5ADxukEa%2BuQU1TrgV7mTqTepUy8f5Xzck7gpWKpkQclP7f1c3sgceFt3HSUSee%2F3oCZpkWHDzPY8aCIhJjnUb10qfp3aiCI3qT7diKSy8XM0q9kpTJvHRuc%2BW4Sv8Cq%2F%2Fg%2B%2FbFJTTWKU9RAUzkf%2FnCc1myuKZkozjJpEcZJ9pNqCzVTqwoqsiANO%2Bi5erBAETQKGA5pyF2spi%2F%2Fgv9Kdf%2BC7nCAGLJjrAKnVjkiW%2F%2F7y6bqLI4cXiMPFkTlRvyXc9njCt9PBuI4bZ%2F0L7dGeCR7fmSs7IkVrQ59COyPXGtntvOjHeIDGtEHZeMGwEfscCjxVuEtS3K%2BCaPI2HxfBRoEuOaydsBFhaJamk3Jk0PJhvRGYVa0UCEnoM1d7GrVhpjnTUUuoK4XOfAcwavs6ZlZjZGKjqxxV%2FQM%2FniB8hjtkvhe83pVxJ3qDSoPZNzRgUvfdvyruIsV0P1KBJkHo2JbfsD1UKsgDYFdqDPTRNA42JoGM6k69u1f3BOElbH1FFojaQR5A348ZNl2SqnhyR7kcLLyvkH%2B0pp33s1yBisGNNo27HPY9RCzjMySGRIZEmgMPuxlyhyyE%2Br5fEu9C1XB501Gq7dhZ0u215VpkdKRUpaHk2qpyuVFc29C%2FQ9dNWv3Nm3jIE04NTfEpADbHtTCiGWgiR7FbcATxZtXfBZBAwYa1jSI59jf%2B7wyJ3xVVboROadZ2V5FK9COdZYJFLn5XNEyrsVxaRbs4Yfz3DTPM6pSoawrGmUA2aLtL4MNKDz88GOrEBIJ%2FEau0ZLFfBKVxcC%2B636SFrCvmMqaPGTdTAHsQ3Jk%2Bk1P8nGL3QyF9y43YgKkFBZjmoOdlzOIYzkgoBbsTBsaHnL5M4W0mrS0P7s%2BHdHo%2Fo3lYvOeLl7x8QSOiVVi25A0n5L%2BTTYKRy4%2FlXpQAtthLWES6AiBokqnthN23h%2FLuynBIcdBaQXC5L3d21nqqGpmtJM4Pf18XDam0Qknra829nfPs7yzI4vUztirUPUtUi&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U6QGX67XW%2F20260430%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260430T215802Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=8369197b9420139dabea1150083b4f39b35c4f69518d40d58d8531ce179355ac 768w\" sizes=\"auto, (max-width: 580px) 85vw, 580px\" \/><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>\u00a015.<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; \u00a01. \u00a02. \u00a03. \u00a04. \u00a05. \u00a06. \u00a07. \u00a08. \u00a09. \u00a010. \u00a011. \u00a0 \u00a012. \u00a0 \u00a013. \u00a014. \u00a0 \u00a0 \u00a015.<\/p>\n","protected":false},"author":2454,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-271","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/ahchemmarkingguides\/wp-json\/wp\/v2\/pages\/271","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/ahchemmarkingguides\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/ahchemmarkingguides\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/ahchemmarkingguides\/wp-json\/wp\/v2\/users\/2454"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/ahchemmarkingguides\/wp-json\/wp\/v2\/comments?post=271"}],"version-history":[{"count":4,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/ahchemmarkingguides\/wp-json\/wp\/v2\/pages\/271\/revisions"}],"predecessor-version":[{"id":325,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/ahchemmarkingguides\/wp-json\/wp\/v2\/pages\/271\/revisions\/325"}],"wp:attachment":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/ahchemmarkingguides\/wp-json\/wp\/v2\/media?parent=271"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}