{"id":159,"date":"2018-05-02T13:02:47","date_gmt":"2018-05-02T13:02:47","guid":{"rendered":"https:\/\/blogs.glowscotland.org.uk\/gc\/ahchemmarkingguides\/?page_id=159"},"modified":"2018-05-04T09:29:42","modified_gmt":"2018-05-04T09:29:42","slug":"marking-guide-exercise-2_2a-molecular-structure","status":"publish","type":"page","link":"https:\/\/blogs.glowscotland.org.uk\/gc\/ahchemmarkingguides\/marking-guide-exercise-2_2a-molecular-structure\/","title":{"rendered":"Marking Guide:  Exercise 2_2A Molecular Structure"},"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-160\" src=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture90.jpg\" alt=\"\" width=\"580\" height=\"560\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture90.jpg 964w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture90-300x289.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEE4aCWV1LXdlc3QtMSJHMEUCIQCrHvEbRlE8m6Wdt8jPN5AZBwRdBlulK4kwqr5O77LpgQIgMRYRX%2ByUsbsIbq72%2Fl4XOD9sGC5iH2e%2BROk%2BHGumdR8quQUIFxAFGgwyNzM1NzAxOTU0MzMiDEj0rptxv7Ykorwa%2FSqWBTySqjArWeC5ZpbrLF2u%2FqQ8zpY3gj%2FhOUs7D5KdlAPVwbNY5dezD3%2BPXijhp84nJ%2F7YzpTi3NkkSc7ZBtLiwvu3FM2Bs%2BAxXz0aE7C5q8kCMVwdBjiYfNHABTGyZnDYMNK%2F4oEmCZTCexPy%2BDLbFpoXVDDzXcb%2BgdWG43uGYuhb6lYU5su5IaweRl%2BMWWIl2dmxHI%2FfH%2BlDkXI2SyMqVNkr12FUZLpoBu%2B0qYB1RBwzdRZOXcM1cEOeHVoYMalaPElyXEY1vxEAnkoXNAnaQLjBRNojKiC%2FD5yRYKfTwv9m%2FVMA26ZRRNKRyPyPNk%2BwajbO%2Bw5kIOa%2Bbpp3ggCjkicfZN4rRz5XREvwphHA2bWplWGlaNi%2F4bFd98EyzfVL2SKDPSiCCz%2Fk%2Bz6aVFLbjiSCY%2BxSeQs0MaqwB8Jwe%2B4Pkby5BVS0gMMfMOFV5f8JFmcpw0JbDqvAkAhHv6fJq2TDmYBqXbCxMt04MBekcvOSKrChm1OC7ktdvEMiPZNhmRMaYJFVre09TkAWnVQwa2Ek%2BtNhEfiK9kbLjzuXV4G6yld2cHvFyv6ytE5V5BbjPZ2cMofDYI58Krh7dRViBB5yFqL8HSq8lv5gd2K76H0yQoWqa84iA7neKTV5enVJWOe8BPsiuVeNCJ1ny5Ik9Ceo6BkiDwGqqN%2FYt6hEH0F%2B7GLGv%2F5a3CVvGjBKEJrV5BHFtNcMuRlDjKHQ69rbE7YZ4bluF8xnXOd073STNkRu2HMhNeFuk3Mnld6jZm5kp2bEBS0y7x1HZt6tWpkJmM7Jzzb8W5IQEovDQbgIkh5GJUK5ny6XonaIYM0y%2Fw56YQJn%2B3xYw%2F0XAkRCkBSyRzJips94gGj6VoNrICRxm41mdzpjREn1MO%2Bgz88GOrEBNzWfe18f3LEgNXIDSQd%2BU3RRaurV%2BXUzIdNUZTp5ZYaKRT6FSrTHBGQmQXbTa5G9Ywb68A9JKf69F4Rnl%2BDJMt2%2Fxoeewu0%2BRJjsdRqlMl3Qg%2BFu5wi%2BAQLO2NNtqWWuzbrYKmJsToQWPHNcAHl5%2F%2BHK%2B5QYgGgkaDYIoimDai7oiyowsp4yqsRVWB7Apn%2BQNoZsdT2PghBBe5M%2FwMHitMwNpXELr361ql33cM6AFHVv&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U2XCNRSZ3%2F20260430%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260430T215857Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=15abd79be398dd70e6aa24b4dd051c6a884a5f966fed5bd7b4ab88cf43651b6e 300w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture90-768x741.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEE4aCWV1LXdlc3QtMSJHMEUCIQCrHvEbRlE8m6Wdt8jPN5AZBwRdBlulK4kwqr5O77LpgQIgMRYRX%2ByUsbsIbq72%2Fl4XOD9sGC5iH2e%2BROk%2BHGumdR8quQUIFxAFGgwyNzM1NzAxOTU0MzMiDEj0rptxv7Ykorwa%2FSqWBTySqjArWeC5ZpbrLF2u%2FqQ8zpY3gj%2FhOUs7D5KdlAPVwbNY5dezD3%2BPXijhp84nJ%2F7YzpTi3NkkSc7ZBtLiwvu3FM2Bs%2BAxXz0aE7C5q8kCMVwdBjiYfNHABTGyZnDYMNK%2F4oEmCZTCexPy%2BDLbFpoXVDDzXcb%2BgdWG43uGYuhb6lYU5su5IaweRl%2BMWWIl2dmxHI%2FfH%2BlDkXI2SyMqVNkr12FUZLpoBu%2B0qYB1RBwzdRZOXcM1cEOeHVoYMalaPElyXEY1vxEAnkoXNAnaQLjBRNojKiC%2FD5yRYKfTwv9m%2FVMA26ZRRNKRyPyPNk%2BwajbO%2Bw5kIOa%2Bbpp3ggCjkicfZN4rRz5XREvwphHA2bWplWGlaNi%2F4bFd98EyzfVL2SKDPSiCCz%2Fk%2Bz6aVFLbjiSCY%2BxSeQs0MaqwB8Jwe%2B4Pkby5BVS0gMMfMOFV5f8JFmcpw0JbDqvAkAhHv6fJq2TDmYBqXbCxMt04MBekcvOSKrChm1OC7ktdvEMiPZNhmRMaYJFVre09TkAWnVQwa2Ek%2BtNhEfiK9kbLjzuXV4G6yld2cHvFyv6ytE5V5BbjPZ2cMofDYI58Krh7dRViBB5yFqL8HSq8lv5gd2K76H0yQoWqa84iA7neKTV5enVJWOe8BPsiuVeNCJ1ny5Ik9Ceo6BkiDwGqqN%2FYt6hEH0F%2B7GLGv%2F5a3CVvGjBKEJrV5BHFtNcMuRlDjKHQ69rbE7YZ4bluF8xnXOd073STNkRu2HMhNeFuk3Mnld6jZm5kp2bEBS0y7x1HZt6tWpkJmM7Jzzb8W5IQEovDQbgIkh5GJUK5ny6XonaIYM0y%2Fw56YQJn%2B3xYw%2F0XAkRCkBSyRzJips94gGj6VoNrICRxm41mdzpjREn1MO%2Bgz88GOrEBNzWfe18f3LEgNXIDSQd%2BU3RRaurV%2BXUzIdNUZTp5ZYaKRT6FSrTHBGQmQXbTa5G9Ywb68A9JKf69F4Rnl%2BDJMt2%2Fxoeewu0%2BRJjsdRqlMl3Qg%2BFu5wi%2BAQLO2NNtqWWuzbrYKmJsToQWPHNcAHl5%2F%2BHK%2B5QYgGgkaDYIoimDai7oiyowsp4yqsRVWB7Apn%2BQNoZsdT2PghBBe5M%2FwMHitMwNpXELr361ql33cM6AFHVv&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U2XCNRSZ3%2F20260430%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260430T215857Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=b7cb3ed69102fd2ba5becf85d58c77788b780e1841937eba23cdeaec578da8b0 768w\" 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-161\" src=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture91.jpg\" alt=\"\" width=\"580\" height=\"690\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture91.jpg 970w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture91-252x300.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEE4aCWV1LXdlc3QtMSJHMEUCIQCrHvEbRlE8m6Wdt8jPN5AZBwRdBlulK4kwqr5O77LpgQIgMRYRX%2ByUsbsIbq72%2Fl4XOD9sGC5iH2e%2BROk%2BHGumdR8quQUIFxAFGgwyNzM1NzAxOTU0MzMiDEj0rptxv7Ykorwa%2FSqWBTySqjArWeC5ZpbrLF2u%2FqQ8zpY3gj%2FhOUs7D5KdlAPVwbNY5dezD3%2BPXijhp84nJ%2F7YzpTi3NkkSc7ZBtLiwvu3FM2Bs%2BAxXz0aE7C5q8kCMVwdBjiYfNHABTGyZnDYMNK%2F4oEmCZTCexPy%2BDLbFpoXVDDzXcb%2BgdWG43uGYuhb6lYU5su5IaweRl%2BMWWIl2dmxHI%2FfH%2BlDkXI2SyMqVNkr12FUZLpoBu%2B0qYB1RBwzdRZOXcM1cEOeHVoYMalaPElyXEY1vxEAnkoXNAnaQLjBRNojKiC%2FD5yRYKfTwv9m%2FVMA26ZRRNKRyPyPNk%2BwajbO%2Bw5kIOa%2Bbpp3ggCjkicfZN4rRz5XREvwphHA2bWplWGlaNi%2F4bFd98EyzfVL2SKDPSiCCz%2Fk%2Bz6aVFLbjiSCY%2BxSeQs0MaqwB8Jwe%2B4Pkby5BVS0gMMfMOFV5f8JFmcpw0JbDqvAkAhHv6fJq2TDmYBqXbCxMt04MBekcvOSKrChm1OC7ktdvEMiPZNhmRMaYJFVre09TkAWnVQwa2Ek%2BtNhEfiK9kbLjzuXV4G6yld2cHvFyv6ytE5V5BbjPZ2cMofDYI58Krh7dRViBB5yFqL8HSq8lv5gd2K76H0yQoWqa84iA7neKTV5enVJWOe8BPsiuVeNCJ1ny5Ik9Ceo6BkiDwGqqN%2FYt6hEH0F%2B7GLGv%2F5a3CVvGjBKEJrV5BHFtNcMuRlDjKHQ69rbE7YZ4bluF8xnXOd073STNkRu2HMhNeFuk3Mnld6jZm5kp2bEBS0y7x1HZt6tWpkJmM7Jzzb8W5IQEovDQbgIkh5GJUK5ny6XonaIYM0y%2Fw56YQJn%2B3xYw%2F0XAkRCkBSyRzJips94gGj6VoNrICRxm41mdzpjREn1MO%2Bgz88GOrEBNzWfe18f3LEgNXIDSQd%2BU3RRaurV%2BXUzIdNUZTp5ZYaKRT6FSrTHBGQmQXbTa5G9Ywb68A9JKf69F4Rnl%2BDJMt2%2Fxoeewu0%2BRJjsdRqlMl3Qg%2BFu5wi%2BAQLO2NNtqWWuzbrYKmJsToQWPHNcAHl5%2F%2BHK%2B5QYgGgkaDYIoimDai7oiyowsp4yqsRVWB7Apn%2BQNoZsdT2PghBBe5M%2FwMHitMwNpXELr361ql33cM6AFHVv&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U2XCNRSZ3%2F20260430%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260430T215857Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=f3b4914ff7cb871e4570cab6b34922e7b0ef449338315b5832d92ce1b507f1f9 252w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture91-768x914.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEE4aCWV1LXdlc3QtMSJHMEUCIQCrHvEbRlE8m6Wdt8jPN5AZBwRdBlulK4kwqr5O77LpgQIgMRYRX%2ByUsbsIbq72%2Fl4XOD9sGC5iH2e%2BROk%2BHGumdR8quQUIFxAFGgwyNzM1NzAxOTU0MzMiDEj0rptxv7Ykorwa%2FSqWBTySqjArWeC5ZpbrLF2u%2FqQ8zpY3gj%2FhOUs7D5KdlAPVwbNY5dezD3%2BPXijhp84nJ%2F7YzpTi3NkkSc7ZBtLiwvu3FM2Bs%2BAxXz0aE7C5q8kCMVwdBjiYfNHABTGyZnDYMNK%2F4oEmCZTCexPy%2BDLbFpoXVDDzXcb%2BgdWG43uGYuhb6lYU5su5IaweRl%2BMWWIl2dmxHI%2FfH%2BlDkXI2SyMqVNkr12FUZLpoBu%2B0qYB1RBwzdRZOXcM1cEOeHVoYMalaPElyXEY1vxEAnkoXNAnaQLjBRNojKiC%2FD5yRYKfTwv9m%2FVMA26ZRRNKRyPyPNk%2BwajbO%2Bw5kIOa%2Bbpp3ggCjkicfZN4rRz5XREvwphHA2bWplWGlaNi%2F4bFd98EyzfVL2SKDPSiCCz%2Fk%2Bz6aVFLbjiSCY%2BxSeQs0MaqwB8Jwe%2B4Pkby5BVS0gMMfMOFV5f8JFmcpw0JbDqvAkAhHv6fJq2TDmYBqXbCxMt04MBekcvOSKrChm1OC7ktdvEMiPZNhmRMaYJFVre09TkAWnVQwa2Ek%2BtNhEfiK9kbLjzuXV4G6yld2cHvFyv6ytE5V5BbjPZ2cMofDYI58Krh7dRViBB5yFqL8HSq8lv5gd2K76H0yQoWqa84iA7neKTV5enVJWOe8BPsiuVeNCJ1ny5Ik9Ceo6BkiDwGqqN%2FYt6hEH0F%2B7GLGv%2F5a3CVvGjBKEJrV5BHFtNcMuRlDjKHQ69rbE7YZ4bluF8xnXOd073STNkRu2HMhNeFuk3Mnld6jZm5kp2bEBS0y7x1HZt6tWpkJmM7Jzzb8W5IQEovDQbgIkh5GJUK5ny6XonaIYM0y%2Fw56YQJn%2B3xYw%2F0XAkRCkBSyRzJips94gGj6VoNrICRxm41mdzpjREn1MO%2Bgz88GOrEBNzWfe18f3LEgNXIDSQd%2BU3RRaurV%2BXUzIdNUZTp5ZYaKRT6FSrTHBGQmQXbTa5G9Ywb68A9JKf69F4Rnl%2BDJMt2%2Fxoeewu0%2BRJjsdRqlMl3Qg%2BFu5wi%2BAQLO2NNtqWWuzbrYKmJsToQWPHNcAHl5%2F%2BHK%2B5QYgGgkaDYIoimDai7oiyowsp4yqsRVWB7Apn%2BQNoZsdT2PghBBe5M%2FwMHitMwNpXELr361ql33cM6AFHVv&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U2XCNRSZ3%2F20260430%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260430T215857Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=c1849320985bafe2f148001eb00093f7c85b6d3884b97b4642ab191b770c8ea7 768w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture91-861x1024.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEE4aCWV1LXdlc3QtMSJHMEUCIQCrHvEbRlE8m6Wdt8jPN5AZBwRdBlulK4kwqr5O77LpgQIgMRYRX%2ByUsbsIbq72%2Fl4XOD9sGC5iH2e%2BROk%2BHGumdR8quQUIFxAFGgwyNzM1NzAxOTU0MzMiDEj0rptxv7Ykorwa%2FSqWBTySqjArWeC5ZpbrLF2u%2FqQ8zpY3gj%2FhOUs7D5KdlAPVwbNY5dezD3%2BPXijhp84nJ%2F7YzpTi3NkkSc7ZBtLiwvu3FM2Bs%2BAxXz0aE7C5q8kCMVwdBjiYfNHABTGyZnDYMNK%2F4oEmCZTCexPy%2BDLbFpoXVDDzXcb%2BgdWG43uGYuhb6lYU5su5IaweRl%2BMWWIl2dmxHI%2FfH%2BlDkXI2SyMqVNkr12FUZLpoBu%2B0qYB1RBwzdRZOXcM1cEOeHVoYMalaPElyXEY1vxEAnkoXNAnaQLjBRNojKiC%2FD5yRYKfTwv9m%2FVMA26ZRRNKRyPyPNk%2BwajbO%2Bw5kIOa%2Bbpp3ggCjkicfZN4rRz5XREvwphHA2bWplWGlaNi%2F4bFd98EyzfVL2SKDPSiCCz%2Fk%2Bz6aVFLbjiSCY%2BxSeQs0MaqwB8Jwe%2B4Pkby5BVS0gMMfMOFV5f8JFmcpw0JbDqvAkAhHv6fJq2TDmYBqXbCxMt04MBekcvOSKrChm1OC7ktdvEMiPZNhmRMaYJFVre09TkAWnVQwa2Ek%2BtNhEfiK9kbLjzuXV4G6yld2cHvFyv6ytE5V5BbjPZ2cMofDYI58Krh7dRViBB5yFqL8HSq8lv5gd2K76H0yQoWqa84iA7neKTV5enVJWOe8BPsiuVeNCJ1ny5Ik9Ceo6BkiDwGqqN%2FYt6hEH0F%2B7GLGv%2F5a3CVvGjBKEJrV5BHFtNcMuRlDjKHQ69rbE7YZ4bluF8xnXOd073STNkRu2HMhNeFuk3Mnld6jZm5kp2bEBS0y7x1HZt6tWpkJmM7Jzzb8W5IQEovDQbgIkh5GJUK5ny6XonaIYM0y%2Fw56YQJn%2B3xYw%2F0XAkRCkBSyRzJips94gGj6VoNrICRxm41mdzpjREn1MO%2Bgz88GOrEBNzWfe18f3LEgNXIDSQd%2BU3RRaurV%2BXUzIdNUZTp5ZYaKRT6FSrTHBGQmQXbTa5G9Ywb68A9JKf69F4Rnl%2BDJMt2%2Fxoeewu0%2BRJjsdRqlMl3Qg%2BFu5wi%2BAQLO2NNtqWWuzbrYKmJsToQWPHNcAHl5%2F%2BHK%2B5QYgGgkaDYIoimDai7oiyowsp4yqsRVWB7Apn%2BQNoZsdT2PghBBe5M%2FwMHitMwNpXELr361ql33cM6AFHVv&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U2XCNRSZ3%2F20260430%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260430T215857Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=3302b635e9341296a226169c4421ec5a20e859a1bf5d1af0eff279c5b3cdff26 861w\" 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-162\" src=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture92.jpg\" alt=\"\" width=\"580\" height=\"675\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture92.jpg 959w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture92-258x300.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEE4aCWV1LXdlc3QtMSJHMEUCIQCrHvEbRlE8m6Wdt8jPN5AZBwRdBlulK4kwqr5O77LpgQIgMRYRX%2ByUsbsIbq72%2Fl4XOD9sGC5iH2e%2BROk%2BHGumdR8quQUIFxAFGgwyNzM1NzAxOTU0MzMiDEj0rptxv7Ykorwa%2FSqWBTySqjArWeC5ZpbrLF2u%2FqQ8zpY3gj%2FhOUs7D5KdlAPVwbNY5dezD3%2BPXijhp84nJ%2F7YzpTi3NkkSc7ZBtLiwvu3FM2Bs%2BAxXz0aE7C5q8kCMVwdBjiYfNHABTGyZnDYMNK%2F4oEmCZTCexPy%2BDLbFpoXVDDzXcb%2BgdWG43uGYuhb6lYU5su5IaweRl%2BMWWIl2dmxHI%2FfH%2BlDkXI2SyMqVNkr12FUZLpoBu%2B0qYB1RBwzdRZOXcM1cEOeHVoYMalaPElyXEY1vxEAnkoXNAnaQLjBRNojKiC%2FD5yRYKfTwv9m%2FVMA26ZRRNKRyPyPNk%2BwajbO%2Bw5kIOa%2Bbpp3ggCjkicfZN4rRz5XREvwphHA2bWplWGlaNi%2F4bFd98EyzfVL2SKDPSiCCz%2Fk%2Bz6aVFLbjiSCY%2BxSeQs0MaqwB8Jwe%2B4Pkby5BVS0gMMfMOFV5f8JFmcpw0JbDqvAkAhHv6fJq2TDmYBqXbCxMt04MBekcvOSKrChm1OC7ktdvEMiPZNhmRMaYJFVre09TkAWnVQwa2Ek%2BtNhEfiK9kbLjzuXV4G6yld2cHvFyv6ytE5V5BbjPZ2cMofDYI58Krh7dRViBB5yFqL8HSq8lv5gd2K76H0yQoWqa84iA7neKTV5enVJWOe8BPsiuVeNCJ1ny5Ik9Ceo6BkiDwGqqN%2FYt6hEH0F%2B7GLGv%2F5a3CVvGjBKEJrV5BHFtNcMuRlDjKHQ69rbE7YZ4bluF8xnXOd073STNkRu2HMhNeFuk3Mnld6jZm5kp2bEBS0y7x1HZt6tWpkJmM7Jzzb8W5IQEovDQbgIkh5GJUK5ny6XonaIYM0y%2Fw56YQJn%2B3xYw%2F0XAkRCkBSyRzJips94gGj6VoNrICRxm41mdzpjREn1MO%2Bgz88GOrEBNzWfe18f3LEgNXIDSQd%2BU3RRaurV%2BXUzIdNUZTp5ZYaKRT6FSrTHBGQmQXbTa5G9Ywb68A9JKf69F4Rnl%2BDJMt2%2Fxoeewu0%2BRJjsdRqlMl3Qg%2BFu5wi%2BAQLO2NNtqWWuzbrYKmJsToQWPHNcAHl5%2F%2BHK%2B5QYgGgkaDYIoimDai7oiyowsp4yqsRVWB7Apn%2BQNoZsdT2PghBBe5M%2FwMHitMwNpXELr361ql33cM6AFHVv&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U2XCNRSZ3%2F20260430%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260430T215857Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=4618ce31bcbedda9a430887eaff3fdab049b17955022b38673ce2ef44886ee7d 258w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture92-768x894.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEE4aCWV1LXdlc3QtMSJHMEUCIQCrHvEbRlE8m6Wdt8jPN5AZBwRdBlulK4kwqr5O77LpgQIgMRYRX%2ByUsbsIbq72%2Fl4XOD9sGC5iH2e%2BROk%2BHGumdR8quQUIFxAFGgwyNzM1NzAxOTU0MzMiDEj0rptxv7Ykorwa%2FSqWBTySqjArWeC5ZpbrLF2u%2FqQ8zpY3gj%2FhOUs7D5KdlAPVwbNY5dezD3%2BPXijhp84nJ%2F7YzpTi3NkkSc7ZBtLiwvu3FM2Bs%2BAxXz0aE7C5q8kCMVwdBjiYfNHABTGyZnDYMNK%2F4oEmCZTCexPy%2BDLbFpoXVDDzXcb%2BgdWG43uGYuhb6lYU5su5IaweRl%2BMWWIl2dmxHI%2FfH%2BlDkXI2SyMqVNkr12FUZLpoBu%2B0qYB1RBwzdRZOXcM1cEOeHVoYMalaPElyXEY1vxEAnkoXNAnaQLjBRNojKiC%2FD5yRYKfTwv9m%2FVMA26ZRRNKRyPyPNk%2BwajbO%2Bw5kIOa%2Bbpp3ggCjkicfZN4rRz5XREvwphHA2bWplWGlaNi%2F4bFd98EyzfVL2SKDPSiCCz%2Fk%2Bz6aVFLbjiSCY%2BxSeQs0MaqwB8Jwe%2B4Pkby5BVS0gMMfMOFV5f8JFmcpw0JbDqvAkAhHv6fJq2TDmYBqXbCxMt04MBekcvOSKrChm1OC7ktdvEMiPZNhmRMaYJFVre09TkAWnVQwa2Ek%2BtNhEfiK9kbLjzuXV4G6yld2cHvFyv6ytE5V5BbjPZ2cMofDYI58Krh7dRViBB5yFqL8HSq8lv5gd2K76H0yQoWqa84iA7neKTV5enVJWOe8BPsiuVeNCJ1ny5Ik9Ceo6BkiDwGqqN%2FYt6hEH0F%2B7GLGv%2F5a3CVvGjBKEJrV5BHFtNcMuRlDjKHQ69rbE7YZ4bluF8xnXOd073STNkRu2HMhNeFuk3Mnld6jZm5kp2bEBS0y7x1HZt6tWpkJmM7Jzzb8W5IQEovDQbgIkh5GJUK5ny6XonaIYM0y%2Fw56YQJn%2B3xYw%2F0XAkRCkBSyRzJips94gGj6VoNrICRxm41mdzpjREn1MO%2Bgz88GOrEBNzWfe18f3LEgNXIDSQd%2BU3RRaurV%2BXUzIdNUZTp5ZYaKRT6FSrTHBGQmQXbTa5G9Ywb68A9JKf69F4Rnl%2BDJMt2%2Fxoeewu0%2BRJjsdRqlMl3Qg%2BFu5wi%2BAQLO2NNtqWWuzbrYKmJsToQWPHNcAHl5%2F%2BHK%2B5QYgGgkaDYIoimDai7oiyowsp4yqsRVWB7Apn%2BQNoZsdT2PghBBe5M%2FwMHitMwNpXELr361ql33cM6AFHVv&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U2XCNRSZ3%2F20260430%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260430T215857Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=2fa0bd91afc14e4e5b7b4bd85999176fbf4afa6d1e4fb33bc3eed94caa00f85c 768w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture92-880x1024.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEE4aCWV1LXdlc3QtMSJHMEUCIQCrHvEbRlE8m6Wdt8jPN5AZBwRdBlulK4kwqr5O77LpgQIgMRYRX%2ByUsbsIbq72%2Fl4XOD9sGC5iH2e%2BROk%2BHGumdR8quQUIFxAFGgwyNzM1NzAxOTU0MzMiDEj0rptxv7Ykorwa%2FSqWBTySqjArWeC5ZpbrLF2u%2FqQ8zpY3gj%2FhOUs7D5KdlAPVwbNY5dezD3%2BPXijhp84nJ%2F7YzpTi3NkkSc7ZBtLiwvu3FM2Bs%2BAxXz0aE7C5q8kCMVwdBjiYfNHABTGyZnDYMNK%2F4oEmCZTCexPy%2BDLbFpoXVDDzXcb%2BgdWG43uGYuhb6lYU5su5IaweRl%2BMWWIl2dmxHI%2FfH%2BlDkXI2SyMqVNkr12FUZLpoBu%2B0qYB1RBwzdRZOXcM1cEOeHVoYMalaPElyXEY1vxEAnkoXNAnaQLjBRNojKiC%2FD5yRYKfTwv9m%2FVMA26ZRRNKRyPyPNk%2BwajbO%2Bw5kIOa%2Bbpp3ggCjkicfZN4rRz5XREvwphHA2bWplWGlaNi%2F4bFd98EyzfVL2SKDPSiCCz%2Fk%2Bz6aVFLbjiSCY%2BxSeQs0MaqwB8Jwe%2B4Pkby5BVS0gMMfMOFV5f8JFmcpw0JbDqvAkAhHv6fJq2TDmYBqXbCxMt04MBekcvOSKrChm1OC7ktdvEMiPZNhmRMaYJFVre09TkAWnVQwa2Ek%2BtNhEfiK9kbLjzuXV4G6yld2cHvFyv6ytE5V5BbjPZ2cMofDYI58Krh7dRViBB5yFqL8HSq8lv5gd2K76H0yQoWqa84iA7neKTV5enVJWOe8BPsiuVeNCJ1ny5Ik9Ceo6BkiDwGqqN%2FYt6hEH0F%2B7GLGv%2F5a3CVvGjBKEJrV5BHFtNcMuRlDjKHQ69rbE7YZ4bluF8xnXOd073STNkRu2HMhNeFuk3Mnld6jZm5kp2bEBS0y7x1HZt6tWpkJmM7Jzzb8W5IQEovDQbgIkh5GJUK5ny6XonaIYM0y%2Fw56YQJn%2B3xYw%2F0XAkRCkBSyRzJips94gGj6VoNrICRxm41mdzpjREn1MO%2Bgz88GOrEBNzWfe18f3LEgNXIDSQd%2BU3RRaurV%2BXUzIdNUZTp5ZYaKRT6FSrTHBGQmQXbTa5G9Ywb68A9JKf69F4Rnl%2BDJMt2%2Fxoeewu0%2BRJjsdRqlMl3Qg%2BFu5wi%2BAQLO2NNtqWWuzbrYKmJsToQWPHNcAHl5%2F%2BHK%2B5QYgGgkaDYIoimDai7oiyowsp4yqsRVWB7Apn%2BQNoZsdT2PghBBe5M%2FwMHitMwNpXELr361ql33cM6AFHVv&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U2XCNRSZ3%2F20260430%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260430T215857Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=ce1a56af6f279b6ce413278c4fcb547e01f1bbe7a8fb0acf6dddd141378ed39c 880w\" sizes=\"auto, (max-width: 580px) 85vw, 580px\" \/><\/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-181\" src=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture134.jpg\" alt=\"\" width=\"580\" height=\"637\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture134.jpg 1065w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture134-273x300.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEE4aCWV1LXdlc3QtMSJHMEUCIQCrHvEbRlE8m6Wdt8jPN5AZBwRdBlulK4kwqr5O77LpgQIgMRYRX%2ByUsbsIbq72%2Fl4XOD9sGC5iH2e%2BROk%2BHGumdR8quQUIFxAFGgwyNzM1NzAxOTU0MzMiDEj0rptxv7Ykorwa%2FSqWBTySqjArWeC5ZpbrLF2u%2FqQ8zpY3gj%2FhOUs7D5KdlAPVwbNY5dezD3%2BPXijhp84nJ%2F7YzpTi3NkkSc7ZBtLiwvu3FM2Bs%2BAxXz0aE7C5q8kCMVwdBjiYfNHABTGyZnDYMNK%2F4oEmCZTCexPy%2BDLbFpoXVDDzXcb%2BgdWG43uGYuhb6lYU5su5IaweRl%2BMWWIl2dmxHI%2FfH%2BlDkXI2SyMqVNkr12FUZLpoBu%2B0qYB1RBwzdRZOXcM1cEOeHVoYMalaPElyXEY1vxEAnkoXNAnaQLjBRNojKiC%2FD5yRYKfTwv9m%2FVMA26ZRRNKRyPyPNk%2BwajbO%2Bw5kIOa%2Bbpp3ggCjkicfZN4rRz5XREvwphHA2bWplWGlaNi%2F4bFd98EyzfVL2SKDPSiCCz%2Fk%2Bz6aVFLbjiSCY%2BxSeQs0MaqwB8Jwe%2B4Pkby5BVS0gMMfMOFV5f8JFmcpw0JbDqvAkAhHv6fJq2TDmYBqXbCxMt04MBekcvOSKrChm1OC7ktdvEMiPZNhmRMaYJFVre09TkAWnVQwa2Ek%2BtNhEfiK9kbLjzuXV4G6yld2cHvFyv6ytE5V5BbjPZ2cMofDYI58Krh7dRViBB5yFqL8HSq8lv5gd2K76H0yQoWqa84iA7neKTV5enVJWOe8BPsiuVeNCJ1ny5Ik9Ceo6BkiDwGqqN%2FYt6hEH0F%2B7GLGv%2F5a3CVvGjBKEJrV5BHFtNcMuRlDjKHQ69rbE7YZ4bluF8xnXOd073STNkRu2HMhNeFuk3Mnld6jZm5kp2bEBS0y7x1HZt6tWpkJmM7Jzzb8W5IQEovDQbgIkh5GJUK5ny6XonaIYM0y%2Fw56YQJn%2B3xYw%2F0XAkRCkBSyRzJips94gGj6VoNrICRxm41mdzpjREn1MO%2Bgz88GOrEBNzWfe18f3LEgNXIDSQd%2BU3RRaurV%2BXUzIdNUZTp5ZYaKRT6FSrTHBGQmQXbTa5G9Ywb68A9JKf69F4Rnl%2BDJMt2%2Fxoeewu0%2BRJjsdRqlMl3Qg%2BFu5wi%2BAQLO2NNtqWWuzbrYKmJsToQWPHNcAHl5%2F%2BHK%2B5QYgGgkaDYIoimDai7oiyowsp4yqsRVWB7Apn%2BQNoZsdT2PghBBe5M%2FwMHitMwNpXELr361ql33cM6AFHVv&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U2XCNRSZ3%2F20260430%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260430T215857Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=9dc5152af227026c228e767ea91ef311139270bdd513426aa230d8ca5c4f8c59 273w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture134-768x843.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEE4aCWV1LXdlc3QtMSJHMEUCIQCrHvEbRlE8m6Wdt8jPN5AZBwRdBlulK4kwqr5O77LpgQIgMRYRX%2ByUsbsIbq72%2Fl4XOD9sGC5iH2e%2BROk%2BHGumdR8quQUIFxAFGgwyNzM1NzAxOTU0MzMiDEj0rptxv7Ykorwa%2FSqWBTySqjArWeC5ZpbrLF2u%2FqQ8zpY3gj%2FhOUs7D5KdlAPVwbNY5dezD3%2BPXijhp84nJ%2F7YzpTi3NkkSc7ZBtLiwvu3FM2Bs%2BAxXz0aE7C5q8kCMVwdBjiYfNHABTGyZnDYMNK%2F4oEmCZTCexPy%2BDLbFpoXVDDzXcb%2BgdWG43uGYuhb6lYU5su5IaweRl%2BMWWIl2dmxHI%2FfH%2BlDkXI2SyMqVNkr12FUZLpoBu%2B0qYB1RBwzdRZOXcM1cEOeHVoYMalaPElyXEY1vxEAnkoXNAnaQLjBRNojKiC%2FD5yRYKfTwv9m%2FVMA26ZRRNKRyPyPNk%2BwajbO%2Bw5kIOa%2Bbpp3ggCjkicfZN4rRz5XREvwphHA2bWplWGlaNi%2F4bFd98EyzfVL2SKDPSiCCz%2Fk%2Bz6aVFLbjiSCY%2BxSeQs0MaqwB8Jwe%2B4Pkby5BVS0gMMfMOFV5f8JFmcpw0JbDqvAkAhHv6fJq2TDmYBqXbCxMt04MBekcvOSKrChm1OC7ktdvEMiPZNhmRMaYJFVre09TkAWnVQwa2Ek%2BtNhEfiK9kbLjzuXV4G6yld2cHvFyv6ytE5V5BbjPZ2cMofDYI58Krh7dRViBB5yFqL8HSq8lv5gd2K76H0yQoWqa84iA7neKTV5enVJWOe8BPsiuVeNCJ1ny5Ik9Ceo6BkiDwGqqN%2FYt6hEH0F%2B7GLGv%2F5a3CVvGjBKEJrV5BHFtNcMuRlDjKHQ69rbE7YZ4bluF8xnXOd073STNkRu2HMhNeFuk3Mnld6jZm5kp2bEBS0y7x1HZt6tWpkJmM7Jzzb8W5IQEovDQbgIkh5GJUK5ny6XonaIYM0y%2Fw56YQJn%2B3xYw%2F0XAkRCkBSyRzJips94gGj6VoNrICRxm41mdzpjREn1MO%2Bgz88GOrEBNzWfe18f3LEgNXIDSQd%2BU3RRaurV%2BXUzIdNUZTp5ZYaKRT6FSrTHBGQmQXbTa5G9Ywb68A9JKf69F4Rnl%2BDJMt2%2Fxoeewu0%2BRJjsdRqlMl3Qg%2BFu5wi%2BAQLO2NNtqWWuzbrYKmJsToQWPHNcAHl5%2F%2BHK%2B5QYgGgkaDYIoimDai7oiyowsp4yqsRVWB7Apn%2BQNoZsdT2PghBBe5M%2FwMHitMwNpXELr361ql33cM6AFHVv&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U2XCNRSZ3%2F20260430%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260430T215857Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=8a766b717fb1366d6f4fc5f477e0eed418325f55ff5b90aa785e64821b397730 768w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture134-933x1024.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEE4aCWV1LXdlc3QtMSJHMEUCIQCrHvEbRlE8m6Wdt8jPN5AZBwRdBlulK4kwqr5O77LpgQIgMRYRX%2ByUsbsIbq72%2Fl4XOD9sGC5iH2e%2BROk%2BHGumdR8quQUIFxAFGgwyNzM1NzAxOTU0MzMiDEj0rptxv7Ykorwa%2FSqWBTySqjArWeC5ZpbrLF2u%2FqQ8zpY3gj%2FhOUs7D5KdlAPVwbNY5dezD3%2BPXijhp84nJ%2F7YzpTi3NkkSc7ZBtLiwvu3FM2Bs%2BAxXz0aE7C5q8kCMVwdBjiYfNHABTGyZnDYMNK%2F4oEmCZTCexPy%2BDLbFpoXVDDzXcb%2BgdWG43uGYuhb6lYU5su5IaweRl%2BMWWIl2dmxHI%2FfH%2BlDkXI2SyMqVNkr12FUZLpoBu%2B0qYB1RBwzdRZOXcM1cEOeHVoYMalaPElyXEY1vxEAnkoXNAnaQLjBRNojKiC%2FD5yRYKfTwv9m%2FVMA26ZRRNKRyPyPNk%2BwajbO%2Bw5kIOa%2Bbpp3ggCjkicfZN4rRz5XREvwphHA2bWplWGlaNi%2F4bFd98EyzfVL2SKDPSiCCz%2Fk%2Bz6aVFLbjiSCY%2BxSeQs0MaqwB8Jwe%2B4Pkby5BVS0gMMfMOFV5f8JFmcpw0JbDqvAkAhHv6fJq2TDmYBqXbCxMt04MBekcvOSKrChm1OC7ktdvEMiPZNhmRMaYJFVre09TkAWnVQwa2Ek%2BtNhEfiK9kbLjzuXV4G6yld2cHvFyv6ytE5V5BbjPZ2cMofDYI58Krh7dRViBB5yFqL8HSq8lv5gd2K76H0yQoWqa84iA7neKTV5enVJWOe8BPsiuVeNCJ1ny5Ik9Ceo6BkiDwGqqN%2FYt6hEH0F%2B7GLGv%2F5a3CVvGjBKEJrV5BHFtNcMuRlDjKHQ69rbE7YZ4bluF8xnXOd073STNkRu2HMhNeFuk3Mnld6jZm5kp2bEBS0y7x1HZt6tWpkJmM7Jzzb8W5IQEovDQbgIkh5GJUK5ny6XonaIYM0y%2Fw56YQJn%2B3xYw%2F0XAkRCkBSyRzJips94gGj6VoNrICRxm41mdzpjREn1MO%2Bgz88GOrEBNzWfe18f3LEgNXIDSQd%2BU3RRaurV%2BXUzIdNUZTp5ZYaKRT6FSrTHBGQmQXbTa5G9Ywb68A9JKf69F4Rnl%2BDJMt2%2Fxoeewu0%2BRJjsdRqlMl3Qg%2BFu5wi%2BAQLO2NNtqWWuzbrYKmJsToQWPHNcAHl5%2F%2BHK%2B5QYgGgkaDYIoimDai7oiyowsp4yqsRVWB7Apn%2BQNoZsdT2PghBBe5M%2FwMHitMwNpXELr361ql33cM6AFHVv&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U2XCNRSZ3%2F20260430%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260430T215857Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=3791c8b35ba8948af3e64fc4ccd121cc4537cd50559dc927caa93f625bf8067e 933w\" 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-288\" src=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture125.jpg\" alt=\"\" width=\"580\" height=\"471\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture125.jpg 978w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture125-300x244.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEE4aCWV1LXdlc3QtMSJHMEUCIQCrHvEbRlE8m6Wdt8jPN5AZBwRdBlulK4kwqr5O77LpgQIgMRYRX%2ByUsbsIbq72%2Fl4XOD9sGC5iH2e%2BROk%2BHGumdR8quQUIFxAFGgwyNzM1NzAxOTU0MzMiDEj0rptxv7Ykorwa%2FSqWBTySqjArWeC5ZpbrLF2u%2FqQ8zpY3gj%2FhOUs7D5KdlAPVwbNY5dezD3%2BPXijhp84nJ%2F7YzpTi3NkkSc7ZBtLiwvu3FM2Bs%2BAxXz0aE7C5q8kCMVwdBjiYfNHABTGyZnDYMNK%2F4oEmCZTCexPy%2BDLbFpoXVDDzXcb%2BgdWG43uGYuhb6lYU5su5IaweRl%2BMWWIl2dmxHI%2FfH%2BlDkXI2SyMqVNkr12FUZLpoBu%2B0qYB1RBwzdRZOXcM1cEOeHVoYMalaPElyXEY1vxEAnkoXNAnaQLjBRNojKiC%2FD5yRYKfTwv9m%2FVMA26ZRRNKRyPyPNk%2BwajbO%2Bw5kIOa%2Bbpp3ggCjkicfZN4rRz5XREvwphHA2bWplWGlaNi%2F4bFd98EyzfVL2SKDPSiCCz%2Fk%2Bz6aVFLbjiSCY%2BxSeQs0MaqwB8Jwe%2B4Pkby5BVS0gMMfMOFV5f8JFmcpw0JbDqvAkAhHv6fJq2TDmYBqXbCxMt04MBekcvOSKrChm1OC7ktdvEMiPZNhmRMaYJFVre09TkAWnVQwa2Ek%2BtNhEfiK9kbLjzuXV4G6yld2cHvFyv6ytE5V5BbjPZ2cMofDYI58Krh7dRViBB5yFqL8HSq8lv5gd2K76H0yQoWqa84iA7neKTV5enVJWOe8BPsiuVeNCJ1ny5Ik9Ceo6BkiDwGqqN%2FYt6hEH0F%2B7GLGv%2F5a3CVvGjBKEJrV5BHFtNcMuRlDjKHQ69rbE7YZ4bluF8xnXOd073STNkRu2HMhNeFuk3Mnld6jZm5kp2bEBS0y7x1HZt6tWpkJmM7Jzzb8W5IQEovDQbgIkh5GJUK5ny6XonaIYM0y%2Fw56YQJn%2B3xYw%2F0XAkRCkBSyRzJips94gGj6VoNrICRxm41mdzpjREn1MO%2Bgz88GOrEBNzWfe18f3LEgNXIDSQd%2BU3RRaurV%2BXUzIdNUZTp5ZYaKRT6FSrTHBGQmQXbTa5G9Ywb68A9JKf69F4Rnl%2BDJMt2%2Fxoeewu0%2BRJjsdRqlMl3Qg%2BFu5wi%2BAQLO2NNtqWWuzbrYKmJsToQWPHNcAHl5%2F%2BHK%2B5QYgGgkaDYIoimDai7oiyowsp4yqsRVWB7Apn%2BQNoZsdT2PghBBe5M%2FwMHitMwNpXELr361ql33cM6AFHVv&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U2XCNRSZ3%2F20260430%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260430T215857Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=d5d3602ded31c09a8897e0a67d8cf42ad11e50bb01a5ab0eeb49fb1649d04fa3 300w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture125-768x624.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEE4aCWV1LXdlc3QtMSJHMEUCIQCrHvEbRlE8m6Wdt8jPN5AZBwRdBlulK4kwqr5O77LpgQIgMRYRX%2ByUsbsIbq72%2Fl4XOD9sGC5iH2e%2BROk%2BHGumdR8quQUIFxAFGgwyNzM1NzAxOTU0MzMiDEj0rptxv7Ykorwa%2FSqWBTySqjArWeC5ZpbrLF2u%2FqQ8zpY3gj%2FhOUs7D5KdlAPVwbNY5dezD3%2BPXijhp84nJ%2F7YzpTi3NkkSc7ZBtLiwvu3FM2Bs%2BAxXz0aE7C5q8kCMVwdBjiYfNHABTGyZnDYMNK%2F4oEmCZTCexPy%2BDLbFpoXVDDzXcb%2BgdWG43uGYuhb6lYU5su5IaweRl%2BMWWIl2dmxHI%2FfH%2BlDkXI2SyMqVNkr12FUZLpoBu%2B0qYB1RBwzdRZOXcM1cEOeHVoYMalaPElyXEY1vxEAnkoXNAnaQLjBRNojKiC%2FD5yRYKfTwv9m%2FVMA26ZRRNKRyPyPNk%2BwajbO%2Bw5kIOa%2Bbpp3ggCjkicfZN4rRz5XREvwphHA2bWplWGlaNi%2F4bFd98EyzfVL2SKDPSiCCz%2Fk%2Bz6aVFLbjiSCY%2BxSeQs0MaqwB8Jwe%2B4Pkby5BVS0gMMfMOFV5f8JFmcpw0JbDqvAkAhHv6fJq2TDmYBqXbCxMt04MBekcvOSKrChm1OC7ktdvEMiPZNhmRMaYJFVre09TkAWnVQwa2Ek%2BtNhEfiK9kbLjzuXV4G6yld2cHvFyv6ytE5V5BbjPZ2cMofDYI58Krh7dRViBB5yFqL8HSq8lv5gd2K76H0yQoWqa84iA7neKTV5enVJWOe8BPsiuVeNCJ1ny5Ik9Ceo6BkiDwGqqN%2FYt6hEH0F%2B7GLGv%2F5a3CVvGjBKEJrV5BHFtNcMuRlDjKHQ69rbE7YZ4bluF8xnXOd073STNkRu2HMhNeFuk3Mnld6jZm5kp2bEBS0y7x1HZt6tWpkJmM7Jzzb8W5IQEovDQbgIkh5GJUK5ny6XonaIYM0y%2Fw56YQJn%2B3xYw%2F0XAkRCkBSyRzJips94gGj6VoNrICRxm41mdzpjREn1MO%2Bgz88GOrEBNzWfe18f3LEgNXIDSQd%2BU3RRaurV%2BXUzIdNUZTp5ZYaKRT6FSrTHBGQmQXbTa5G9Ywb68A9JKf69F4Rnl%2BDJMt2%2Fxoeewu0%2BRJjsdRqlMl3Qg%2BFu5wi%2BAQLO2NNtqWWuzbrYKmJsToQWPHNcAHl5%2F%2BHK%2B5QYgGgkaDYIoimDai7oiyowsp4yqsRVWB7Apn%2BQNoZsdT2PghBBe5M%2FwMHitMwNpXELr361ql33cM6AFHVv&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U2XCNRSZ3%2F20260430%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260430T215857Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=9e90531f3e5f29a065cbd66e858b5902cf005689950b1da051423c4a0ee8f6f8 768w\" sizes=\"auto, (max-width: 580px) 85vw, 580px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-289\" src=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture126.jpg\" alt=\"\" width=\"580\" height=\"320\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture126.jpg 978w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture126-300x165.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEE4aCWV1LXdlc3QtMSJHMEUCIQCrHvEbRlE8m6Wdt8jPN5AZBwRdBlulK4kwqr5O77LpgQIgMRYRX%2ByUsbsIbq72%2Fl4XOD9sGC5iH2e%2BROk%2BHGumdR8quQUIFxAFGgwyNzM1NzAxOTU0MzMiDEj0rptxv7Ykorwa%2FSqWBTySqjArWeC5ZpbrLF2u%2FqQ8zpY3gj%2FhOUs7D5KdlAPVwbNY5dezD3%2BPXijhp84nJ%2F7YzpTi3NkkSc7ZBtLiwvu3FM2Bs%2BAxXz0aE7C5q8kCMVwdBjiYfNHABTGyZnDYMNK%2F4oEmCZTCexPy%2BDLbFpoXVDDzXcb%2BgdWG43uGYuhb6lYU5su5IaweRl%2BMWWIl2dmxHI%2FfH%2BlDkXI2SyMqVNkr12FUZLpoBu%2B0qYB1RBwzdRZOXcM1cEOeHVoYMalaPElyXEY1vxEAnkoXNAnaQLjBRNojKiC%2FD5yRYKfTwv9m%2FVMA26ZRRNKRyPyPNk%2BwajbO%2Bw5kIOa%2Bbpp3ggCjkicfZN4rRz5XREvwphHA2bWplWGlaNi%2F4bFd98EyzfVL2SKDPSiCCz%2Fk%2Bz6aVFLbjiSCY%2BxSeQs0MaqwB8Jwe%2B4Pkby5BVS0gMMfMOFV5f8JFmcpw0JbDqvAkAhHv6fJq2TDmYBqXbCxMt04MBekcvOSKrChm1OC7ktdvEMiPZNhmRMaYJFVre09TkAWnVQwa2Ek%2BtNhEfiK9kbLjzuXV4G6yld2cHvFyv6ytE5V5BbjPZ2cMofDYI58Krh7dRViBB5yFqL8HSq8lv5gd2K76H0yQoWqa84iA7neKTV5enVJWOe8BPsiuVeNCJ1ny5Ik9Ceo6BkiDwGqqN%2FYt6hEH0F%2B7GLGv%2F5a3CVvGjBKEJrV5BHFtNcMuRlDjKHQ69rbE7YZ4bluF8xnXOd073STNkRu2HMhNeFuk3Mnld6jZm5kp2bEBS0y7x1HZt6tWpkJmM7Jzzb8W5IQEovDQbgIkh5GJUK5ny6XonaIYM0y%2Fw56YQJn%2B3xYw%2F0XAkRCkBSyRzJips94gGj6VoNrICRxm41mdzpjREn1MO%2Bgz88GOrEBNzWfe18f3LEgNXIDSQd%2BU3RRaurV%2BXUzIdNUZTp5ZYaKRT6FSrTHBGQmQXbTa5G9Ywb68A9JKf69F4Rnl%2BDJMt2%2Fxoeewu0%2BRJjsdRqlMl3Qg%2BFu5wi%2BAQLO2NNtqWWuzbrYKmJsToQWPHNcAHl5%2F%2BHK%2B5QYgGgkaDYIoimDai7oiyowsp4yqsRVWB7Apn%2BQNoZsdT2PghBBe5M%2FwMHitMwNpXELr361ql33cM6AFHVv&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U2XCNRSZ3%2F20260430%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260430T215857Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=8c0e87d25fab8062d10b9c3f2883e8d83ecbe3e8375e74d00a73cb8c65510e49 300w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/ahchemmarkingguides\/uploads\/sites\/9808\/2018\/05\/Picture126-768x423.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEE4aCWV1LXdlc3QtMSJHMEUCIQCrHvEbRlE8m6Wdt8jPN5AZBwRdBlulK4kwqr5O77LpgQIgMRYRX%2ByUsbsIbq72%2Fl4XOD9sGC5iH2e%2BROk%2BHGumdR8quQUIFxAFGgwyNzM1NzAxOTU0MzMiDEj0rptxv7Ykorwa%2FSqWBTySqjArWeC5ZpbrLF2u%2FqQ8zpY3gj%2FhOUs7D5KdlAPVwbNY5dezD3%2BPXijhp84nJ%2F7YzpTi3NkkSc7ZBtLiwvu3FM2Bs%2BAxXz0aE7C5q8kCMVwdBjiYfNHABTGyZnDYMNK%2F4oEmCZTCexPy%2BDLbFpoXVDDzXcb%2BgdWG43uGYuhb6lYU5su5IaweRl%2BMWWIl2dmxHI%2FfH%2BlDkXI2SyMqVNkr12FUZLpoBu%2B0qYB1RBwzdRZOXcM1cEOeHVoYMalaPElyXEY1vxEAnkoXNAnaQLjBRNojKiC%2FD5yRYKfTwv9m%2FVMA26ZRRNKRyPyPNk%2BwajbO%2Bw5kIOa%2Bbpp3ggCjkicfZN4rRz5XREvwphHA2bWplWGlaNi%2F4bFd98EyzfVL2SKDPSiCCz%2Fk%2Bz6aVFLbjiSCY%2BxSeQs0MaqwB8Jwe%2B4Pkby5BVS0gMMfMOFV5f8JFmcpw0JbDqvAkAhHv6fJq2TDmYBqXbCxMt04MBekcvOSKrChm1OC7ktdvEMiPZNhmRMaYJFVre09TkAWnVQwa2Ek%2BtNhEfiK9kbLjzuXV4G6yld2cHvFyv6ytE5V5BbjPZ2cMofDYI58Krh7dRViBB5yFqL8HSq8lv5gd2K76H0yQoWqa84iA7neKTV5enVJWOe8BPsiuVeNCJ1ny5Ik9Ceo6BkiDwGqqN%2FYt6hEH0F%2B7GLGv%2F5a3CVvGjBKEJrV5BHFtNcMuRlDjKHQ69rbE7YZ4bluF8xnXOd073STNkRu2HMhNeFuk3Mnld6jZm5kp2bEBS0y7x1HZt6tWpkJmM7Jzzb8W5IQEovDQbgIkh5GJUK5ny6XonaIYM0y%2Fw56YQJn%2B3xYw%2F0XAkRCkBSyRzJips94gGj6VoNrICRxm41mdzpjREn1MO%2Bgz88GOrEBNzWfe18f3LEgNXIDSQd%2BU3RRaurV%2BXUzIdNUZTp5ZYaKRT6FSrTHBGQmQXbTa5G9Ywb68A9JKf69F4Rnl%2BDJMt2%2Fxoeewu0%2BRJjsdRqlMl3Qg%2BFu5wi%2BAQLO2NNtqWWuzbrYKmJsToQWPHNcAHl5%2F%2BHK%2B5QYgGgkaDYIoimDai7oiyowsp4yqsRVWB7Apn%2BQNoZsdT2PghBBe5M%2FwMHitMwNpXELr361ql33cM6AFHVv&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U2XCNRSZ3%2F20260430%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260430T215857Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=1e12d6e66d622ef220fd7dbceff155546239cdafee416fb62367d1b28392996c 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>\u00a015.<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>\u00a0\u00a0B<\/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 \u00a0 \u00a0 \u00a012. \u00a0 \u00a013. \u00a014. \u00a0 \u00a015. \u00a0\u00a0B<\/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-159","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/ahchemmarkingguides\/wp-json\/wp\/v2\/pages\/159","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=159"}],"version-history":[{"count":5,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/ahchemmarkingguides\/wp-json\/wp\/v2\/pages\/159\/revisions"}],"predecessor-version":[{"id":291,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/ahchemmarkingguides\/wp-json\/wp\/v2\/pages\/159\/revisions\/291"}],"wp:attachment":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/ahchemmarkingguides\/wp-json\/wp\/v2\/media?parent=159"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}