{"id":13,"date":"2015-12-30T12:39:43","date_gmt":"2015-12-30T12:39:43","guid":{"rendered":"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemskills\/?page_id=13"},"modified":"2023-11-03T11:52:59","modified_gmt":"2023-11-03T11:52:59","slug":"chemical-formula-valency-revision","status":"publish","type":"page","link":"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemskills\/chemical-formula-valency-revision\/","title":{"rendered":"Revision Exercise SR2A &#8211; Chemical Formula from Valency"},"content":{"rendered":"<p><a href=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2015\/12\/Picture1-1.jpg\">\u00a0<\/a><\/p>\n<table>\n<tbody>\n<tr>\n<td><\/td>\n<td width=\"100\">\u00a0<img decoding=\"async\" class=\"aligncenter wp-image-369\" src=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2015\/12\/pdficon.png\" alt=\"pdficon\" width=\"100%\" height=\"auto\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2015\/12\/pdficon.png 225w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2015\/12\/pdficon-150x150.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEH8aCWV1LXdlc3QtMSJHMEUCIC46hpAVlPPcv%2F6XvbtjhOta08AOR3mFSZfIzLC1ydTPAiEAmw6%2FjoUWmXnbRThGrebr%2FF4%2FYAMxqJJICWPukOD9%2B9QquQUIRxAFGgwyNzM1NzAxOTU0MzMiDC4tkcUFsOGAHyTiQiqWBfcijAO7o0X6lEZyKtQ4IMD3vqdh3hx6svdq9uJhx3zx8yFfavuLLwmVyxudF6ySV7SP3mO%2FWLmQTejqmHC%2Fy87uJKf2ztO3BTGmgTwZqF58N1TXxaIdOwRwFTwAH2EoMNeZ3dY5Yhcym5koKS45V1x9nLCb4qA4wd%2BLx05nxSz9eanf1pcvdgPXCepWFdfVBLQIOXX8lhPopeU7YS%2BVdzq%2BzcXrKeYC7QLFffXPKRyB8esAv%2BRyveKfXyh3NMAhbJZwKiRU%2FB51ynta1zRGbaVmcozEUuY0k%2FUnR7lTHXRzK2rHhwccvxgPlzUYA6JvVJFbtr2PWr3jH4lZ9wLWNtZls0T66Tf8j494boXOeFPy3fLfRqn9fim4oCGa1CWod8ExE6vZlenaQF3HgA2I4C7bwZjp%2FTJnXXCqz%2BWtbe1dh9d39nKjy4CDDSYJZiE8OCeCqapJU6%2Fo2ufxI0xj0YsVEtmpIwMhK4q8RGZc%2FVM9MeloevACz19noZjvxr5im%2F7pdlITKysHM4ULouo74tyrsGzWjVand8K8c%2B076kTlDxWthqKL8sZAlYG6kxMDJwvsL5TBS8dIcClcHNmxFUKK2z4FRXvEaOyBb%2Ff99jc6iOcZGnOub7sNOqBPWS2%2BDyJrUOJlEitj4e6ud03aN1QeNPDhAxZtWCjBH2oPGYvbX6duoTrPBrYU0sUQUYPv3ZIp13pb5ati3LniSnw4ZIpaa9RnIrLv8VOUt68tOCfO3tMNgUpbwputEKaK1nq1KALwM11s3XbPHSC9%2FZHLQUxmmN8kZwtUNej6wZdzAA%2BRsXPkWfXd0GqelPDcE04T2nlPuven1Gq5KgfvcZj1MqzesZ7VvGG5UWLewkNT2EV99beAAnkHMOjNoc8GOrEBco5S3CBZJJICehLhf94o44UL6w3fLRyxkcXJSKA4OIWMsp34zAcLpAkh6cK03fP%2FmL4d300cXFl%2BfH7cs1oDrAWC%2BorOZ0gVsouUCRjbyEUn3f8qik3aq78M%2B8zIAD2JpIouHm5i2V6rptchox9UqHNVbyGmEbgm34vYOV%2FZ8KUX8R%2F8mJ5xdyx%2B0dcNPMDgqrgemKizlzanVVyh5XdB79mphWfUxwc%2BejskCipaS0rX&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U7PPUQOUH%2F20260422%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260422T062922Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=541c6cbc513cc6935fb5c91fb169ccf9a6663e928a1c5036b7192ac75b841c51 150w\" sizes=\"(max-width: 225px) 85vw, 225px\" \/><\/td>\n<td width=\"100\"><a href=\"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemskills\/answers-chemical-formulae\/\" target=\"_blank\" rel=\"noopener noreferrer\"><img decoding=\"async\" class=\"alignleft size-full wp-image-1405\" src=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2019\/04\/Big-Tick.png\" alt=\"\" width=\"100%\" height=\"auto\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2019\/04\/Big-Tick.png 821w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2019\/04\/Big-Tick-241x300.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEH8aCWV1LXdlc3QtMSJHMEUCIC46hpAVlPPcv%2F6XvbtjhOta08AOR3mFSZfIzLC1ydTPAiEAmw6%2FjoUWmXnbRThGrebr%2FF4%2FYAMxqJJICWPukOD9%2B9QquQUIRxAFGgwyNzM1NzAxOTU0MzMiDC4tkcUFsOGAHyTiQiqWBfcijAO7o0X6lEZyKtQ4IMD3vqdh3hx6svdq9uJhx3zx8yFfavuLLwmVyxudF6ySV7SP3mO%2FWLmQTejqmHC%2Fy87uJKf2ztO3BTGmgTwZqF58N1TXxaIdOwRwFTwAH2EoMNeZ3dY5Yhcym5koKS45V1x9nLCb4qA4wd%2BLx05nxSz9eanf1pcvdgPXCepWFdfVBLQIOXX8lhPopeU7YS%2BVdzq%2BzcXrKeYC7QLFffXPKRyB8esAv%2BRyveKfXyh3NMAhbJZwKiRU%2FB51ynta1zRGbaVmcozEUuY0k%2FUnR7lTHXRzK2rHhwccvxgPlzUYA6JvVJFbtr2PWr3jH4lZ9wLWNtZls0T66Tf8j494boXOeFPy3fLfRqn9fim4oCGa1CWod8ExE6vZlenaQF3HgA2I4C7bwZjp%2FTJnXXCqz%2BWtbe1dh9d39nKjy4CDDSYJZiE8OCeCqapJU6%2Fo2ufxI0xj0YsVEtmpIwMhK4q8RGZc%2FVM9MeloevACz19noZjvxr5im%2F7pdlITKysHM4ULouo74tyrsGzWjVand8K8c%2B076kTlDxWthqKL8sZAlYG6kxMDJwvsL5TBS8dIcClcHNmxFUKK2z4FRXvEaOyBb%2Ff99jc6iOcZGnOub7sNOqBPWS2%2BDyJrUOJlEitj4e6ud03aN1QeNPDhAxZtWCjBH2oPGYvbX6duoTrPBrYU0sUQUYPv3ZIp13pb5ati3LniSnw4ZIpaa9RnIrLv8VOUt68tOCfO3tMNgUpbwputEKaK1nq1KALwM11s3XbPHSC9%2FZHLQUxmmN8kZwtUNej6wZdzAA%2BRsXPkWfXd0GqelPDcE04T2nlPuven1Gq5KgfvcZj1MqzesZ7VvGG5UWLewkNT2EV99beAAnkHMOjNoc8GOrEBco5S3CBZJJICehLhf94o44UL6w3fLRyxkcXJSKA4OIWMsp34zAcLpAkh6cK03fP%2FmL4d300cXFl%2BfH7cs1oDrAWC%2BorOZ0gVsouUCRjbyEUn3f8qik3aq78M%2B8zIAD2JpIouHm5i2V6rptchox9UqHNVbyGmEbgm34vYOV%2FZ8KUX8R%2F8mJ5xdyx%2B0dcNPMDgqrgemKizlzanVVyh5XdB79mphWfUxwc%2BejskCipaS0rX&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U7PPUQOUH%2F20260422%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260422T062922Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=8184d16404da7639ab5ea0f57d4cf3732bca25389ba3188032911efbe2edaed0 241w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2019\/04\/Big-Tick-768x958.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEH8aCWV1LXdlc3QtMSJHMEUCIC46hpAVlPPcv%2F6XvbtjhOta08AOR3mFSZfIzLC1ydTPAiEAmw6%2FjoUWmXnbRThGrebr%2FF4%2FYAMxqJJICWPukOD9%2B9QquQUIRxAFGgwyNzM1NzAxOTU0MzMiDC4tkcUFsOGAHyTiQiqWBfcijAO7o0X6lEZyKtQ4IMD3vqdh3hx6svdq9uJhx3zx8yFfavuLLwmVyxudF6ySV7SP3mO%2FWLmQTejqmHC%2Fy87uJKf2ztO3BTGmgTwZqF58N1TXxaIdOwRwFTwAH2EoMNeZ3dY5Yhcym5koKS45V1x9nLCb4qA4wd%2BLx05nxSz9eanf1pcvdgPXCepWFdfVBLQIOXX8lhPopeU7YS%2BVdzq%2BzcXrKeYC7QLFffXPKRyB8esAv%2BRyveKfXyh3NMAhbJZwKiRU%2FB51ynta1zRGbaVmcozEUuY0k%2FUnR7lTHXRzK2rHhwccvxgPlzUYA6JvVJFbtr2PWr3jH4lZ9wLWNtZls0T66Tf8j494boXOeFPy3fLfRqn9fim4oCGa1CWod8ExE6vZlenaQF3HgA2I4C7bwZjp%2FTJnXXCqz%2BWtbe1dh9d39nKjy4CDDSYJZiE8OCeCqapJU6%2Fo2ufxI0xj0YsVEtmpIwMhK4q8RGZc%2FVM9MeloevACz19noZjvxr5im%2F7pdlITKysHM4ULouo74tyrsGzWjVand8K8c%2B076kTlDxWthqKL8sZAlYG6kxMDJwvsL5TBS8dIcClcHNmxFUKK2z4FRXvEaOyBb%2Ff99jc6iOcZGnOub7sNOqBPWS2%2BDyJrUOJlEitj4e6ud03aN1QeNPDhAxZtWCjBH2oPGYvbX6duoTrPBrYU0sUQUYPv3ZIp13pb5ati3LniSnw4ZIpaa9RnIrLv8VOUt68tOCfO3tMNgUpbwputEKaK1nq1KALwM11s3XbPHSC9%2FZHLQUxmmN8kZwtUNej6wZdzAA%2BRsXPkWfXd0GqelPDcE04T2nlPuven1Gq5KgfvcZj1MqzesZ7VvGG5UWLewkNT2EV99beAAnkHMOjNoc8GOrEBco5S3CBZJJICehLhf94o44UL6w3fLRyxkcXJSKA4OIWMsp34zAcLpAkh6cK03fP%2FmL4d300cXFl%2BfH7cs1oDrAWC%2BorOZ0gVsouUCRjbyEUn3f8qik3aq78M%2B8zIAD2JpIouHm5i2V6rptchox9UqHNVbyGmEbgm34vYOV%2FZ8KUX8R%2F8mJ5xdyx%2B0dcNPMDgqrgemKizlzanVVyh5XdB79mphWfUxwc%2BejskCipaS0rX&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U7PPUQOUH%2F20260422%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260422T062922Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=453fef3a283266cc59a9b4d96543026f3bc3d174fb0ded8203da92da0d223529 768w\" sizes=\"(max-width: 821px) 85vw, 821px\" \/><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><a href=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2015\/12\/Picture1-1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-972\" src=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2015\/12\/Picture1-1.jpg\" width=\"1065\" height=\"715\" \/><\/a><\/p>\n<pre><span style=\"color: #008000\"><strong>Write the chemical formula for the following compounds:<\/strong><\/span><\/pre>\n<pre><strong><span style=\"color: #ff0000\">SET A<\/span><\/strong><\/pre>\n<table>\n<tbody>\n<tr>\n<td width=\"50\">a)<\/td>\n<td>\n<pre>potassium chloride<\/pre>\n<\/td>\n<td width=\"50\">b)<\/td>\n<td>\n<pre>magnesium bromide<\/pre>\n<\/td>\n<td width=\"50\">c)<\/td>\n<td>\n<pre>calcium sulfide<\/pre>\n<\/td>\n<\/tr>\n<tr>\n<td>d)<\/td>\n<td>\n<pre>calcium hydride<\/pre>\n<\/td>\n<td>\u00a0e)<\/td>\n<td>\n<pre>sodium oxide\r\n<\/pre>\n<\/td>\n<td>\u00a0f)<\/td>\n<td>\n<pre>lithium chloride\r\n<\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table>\n<tbody>\n<tr>\n<td style=\"text-align: left\">\n<pre><strong><span style=\"color: #0000ff\">Marking Guide for Questions \u00a0Set A \u00a0a) - f) above<\/span><\/strong><\/pre>\n<\/td>\n<td width=\"50\"><a href=\"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemskills\/answers-chemical-formulae\/\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-1405\" src=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2019\/04\/Big-Tick.png\" alt=\"\" width=\"821\" height=\"1024\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2019\/04\/Big-Tick.png 821w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2019\/04\/Big-Tick-241x300.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEH8aCWV1LXdlc3QtMSJHMEUCIC46hpAVlPPcv%2F6XvbtjhOta08AOR3mFSZfIzLC1ydTPAiEAmw6%2FjoUWmXnbRThGrebr%2FF4%2FYAMxqJJICWPukOD9%2B9QquQUIRxAFGgwyNzM1NzAxOTU0MzMiDC4tkcUFsOGAHyTiQiqWBfcijAO7o0X6lEZyKtQ4IMD3vqdh3hx6svdq9uJhx3zx8yFfavuLLwmVyxudF6ySV7SP3mO%2FWLmQTejqmHC%2Fy87uJKf2ztO3BTGmgTwZqF58N1TXxaIdOwRwFTwAH2EoMNeZ3dY5Yhcym5koKS45V1x9nLCb4qA4wd%2BLx05nxSz9eanf1pcvdgPXCepWFdfVBLQIOXX8lhPopeU7YS%2BVdzq%2BzcXrKeYC7QLFffXPKRyB8esAv%2BRyveKfXyh3NMAhbJZwKiRU%2FB51ynta1zRGbaVmcozEUuY0k%2FUnR7lTHXRzK2rHhwccvxgPlzUYA6JvVJFbtr2PWr3jH4lZ9wLWNtZls0T66Tf8j494boXOeFPy3fLfRqn9fim4oCGa1CWod8ExE6vZlenaQF3HgA2I4C7bwZjp%2FTJnXXCqz%2BWtbe1dh9d39nKjy4CDDSYJZiE8OCeCqapJU6%2Fo2ufxI0xj0YsVEtmpIwMhK4q8RGZc%2FVM9MeloevACz19noZjvxr5im%2F7pdlITKysHM4ULouo74tyrsGzWjVand8K8c%2B076kTlDxWthqKL8sZAlYG6kxMDJwvsL5TBS8dIcClcHNmxFUKK2z4FRXvEaOyBb%2Ff99jc6iOcZGnOub7sNOqBPWS2%2BDyJrUOJlEitj4e6ud03aN1QeNPDhAxZtWCjBH2oPGYvbX6duoTrPBrYU0sUQUYPv3ZIp13pb5ati3LniSnw4ZIpaa9RnIrLv8VOUt68tOCfO3tMNgUpbwputEKaK1nq1KALwM11s3XbPHSC9%2FZHLQUxmmN8kZwtUNej6wZdzAA%2BRsXPkWfXd0GqelPDcE04T2nlPuven1Gq5KgfvcZj1MqzesZ7VvGG5UWLewkNT2EV99beAAnkHMOjNoc8GOrEBco5S3CBZJJICehLhf94o44UL6w3fLRyxkcXJSKA4OIWMsp34zAcLpAkh6cK03fP%2FmL4d300cXFl%2BfH7cs1oDrAWC%2BorOZ0gVsouUCRjbyEUn3f8qik3aq78M%2B8zIAD2JpIouHm5i2V6rptchox9UqHNVbyGmEbgm34vYOV%2FZ8KUX8R%2F8mJ5xdyx%2B0dcNPMDgqrgemKizlzanVVyh5XdB79mphWfUxwc%2BejskCipaS0rX&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U7PPUQOUH%2F20260422%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260422T062922Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=8184d16404da7639ab5ea0f57d4cf3732bca25389ba3188032911efbe2edaed0 241w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2019\/04\/Big-Tick-768x958.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEH8aCWV1LXdlc3QtMSJHMEUCIC46hpAVlPPcv%2F6XvbtjhOta08AOR3mFSZfIzLC1ydTPAiEAmw6%2FjoUWmXnbRThGrebr%2FF4%2FYAMxqJJICWPukOD9%2B9QquQUIRxAFGgwyNzM1NzAxOTU0MzMiDC4tkcUFsOGAHyTiQiqWBfcijAO7o0X6lEZyKtQ4IMD3vqdh3hx6svdq9uJhx3zx8yFfavuLLwmVyxudF6ySV7SP3mO%2FWLmQTejqmHC%2Fy87uJKf2ztO3BTGmgTwZqF58N1TXxaIdOwRwFTwAH2EoMNeZ3dY5Yhcym5koKS45V1x9nLCb4qA4wd%2BLx05nxSz9eanf1pcvdgPXCepWFdfVBLQIOXX8lhPopeU7YS%2BVdzq%2BzcXrKeYC7QLFffXPKRyB8esAv%2BRyveKfXyh3NMAhbJZwKiRU%2FB51ynta1zRGbaVmcozEUuY0k%2FUnR7lTHXRzK2rHhwccvxgPlzUYA6JvVJFbtr2PWr3jH4lZ9wLWNtZls0T66Tf8j494boXOeFPy3fLfRqn9fim4oCGa1CWod8ExE6vZlenaQF3HgA2I4C7bwZjp%2FTJnXXCqz%2BWtbe1dh9d39nKjy4CDDSYJZiE8OCeCqapJU6%2Fo2ufxI0xj0YsVEtmpIwMhK4q8RGZc%2FVM9MeloevACz19noZjvxr5im%2F7pdlITKysHM4ULouo74tyrsGzWjVand8K8c%2B076kTlDxWthqKL8sZAlYG6kxMDJwvsL5TBS8dIcClcHNmxFUKK2z4FRXvEaOyBb%2Ff99jc6iOcZGnOub7sNOqBPWS2%2BDyJrUOJlEitj4e6ud03aN1QeNPDhAxZtWCjBH2oPGYvbX6duoTrPBrYU0sUQUYPv3ZIp13pb5ati3LniSnw4ZIpaa9RnIrLv8VOUt68tOCfO3tMNgUpbwputEKaK1nq1KALwM11s3XbPHSC9%2FZHLQUxmmN8kZwtUNej6wZdzAA%2BRsXPkWfXd0GqelPDcE04T2nlPuven1Gq5KgfvcZj1MqzesZ7VvGG5UWLewkNT2EV99beAAnkHMOjNoc8GOrEBco5S3CBZJJICehLhf94o44UL6w3fLRyxkcXJSKA4OIWMsp34zAcLpAkh6cK03fP%2FmL4d300cXFl%2BfH7cs1oDrAWC%2BorOZ0gVsouUCRjbyEUn3f8qik3aq78M%2B8zIAD2JpIouHm5i2V6rptchox9UqHNVbyGmEbgm34vYOV%2FZ8KUX8R%2F8mJ5xdyx%2B0dcNPMDgqrgemKizlzanVVyh5XdB79mphWfUxwc%2BejskCipaS0rX&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U7PPUQOUH%2F20260422%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260422T062922Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=453fef3a283266cc59a9b4d96543026f3bc3d174fb0ded8203da92da0d223529 768w\" sizes=\"auto, (max-width: 821px) 85vw, 821px\" \/><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<pre><strong><span style=\"color: #ff0000\">SET B<\/span><\/strong><\/pre>\n<table>\n<tbody>\n<tr>\n<td width=\"50\">\u00a0a)<\/td>\n<td>\n<pre>lead (IV) oxide<\/pre>\n<\/td>\n<td width=\"50\">\u00a0b)<\/td>\n<td>\n<pre>aluminium bromide<\/pre>\n<\/td>\n<td width=\"50\">\u00a0c)<\/td>\n<td>\n<pre>caesium chloride<\/pre>\n<\/td>\n<\/tr>\n<tr>\n<td>\u00a0d)<\/td>\n<td>\n<pre>aluminium sulfide\r\n<\/pre>\n<\/td>\n<td>e)<\/td>\n<td>\n<pre>nitrogen chloride\r\n<\/pre>\n<\/td>\n<td>\u00a0f)<\/td>\n<td>\n<pre>strontium oxide<\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table>\n<tbody>\n<tr>\n<td style=\"text-align: left\">\n<pre><strong><span style=\"color: #0000ff\">Marking Guide for Questions \u00a0Set B \u00a0a) - f) above<\/span><\/strong><\/pre>\n<\/td>\n<td width=\"50\"><a href=\"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemskills\/answers-chemical-formulae\/\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-1405\" src=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2019\/04\/Big-Tick.png\" alt=\"\" width=\"821\" height=\"1024\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2019\/04\/Big-Tick.png 821w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2019\/04\/Big-Tick-241x300.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEH8aCWV1LXdlc3QtMSJHMEUCIC46hpAVlPPcv%2F6XvbtjhOta08AOR3mFSZfIzLC1ydTPAiEAmw6%2FjoUWmXnbRThGrebr%2FF4%2FYAMxqJJICWPukOD9%2B9QquQUIRxAFGgwyNzM1NzAxOTU0MzMiDC4tkcUFsOGAHyTiQiqWBfcijAO7o0X6lEZyKtQ4IMD3vqdh3hx6svdq9uJhx3zx8yFfavuLLwmVyxudF6ySV7SP3mO%2FWLmQTejqmHC%2Fy87uJKf2ztO3BTGmgTwZqF58N1TXxaIdOwRwFTwAH2EoMNeZ3dY5Yhcym5koKS45V1x9nLCb4qA4wd%2BLx05nxSz9eanf1pcvdgPXCepWFdfVBLQIOXX8lhPopeU7YS%2BVdzq%2BzcXrKeYC7QLFffXPKRyB8esAv%2BRyveKfXyh3NMAhbJZwKiRU%2FB51ynta1zRGbaVmcozEUuY0k%2FUnR7lTHXRzK2rHhwccvxgPlzUYA6JvVJFbtr2PWr3jH4lZ9wLWNtZls0T66Tf8j494boXOeFPy3fLfRqn9fim4oCGa1CWod8ExE6vZlenaQF3HgA2I4C7bwZjp%2FTJnXXCqz%2BWtbe1dh9d39nKjy4CDDSYJZiE8OCeCqapJU6%2Fo2ufxI0xj0YsVEtmpIwMhK4q8RGZc%2FVM9MeloevACz19noZjvxr5im%2F7pdlITKysHM4ULouo74tyrsGzWjVand8K8c%2B076kTlDxWthqKL8sZAlYG6kxMDJwvsL5TBS8dIcClcHNmxFUKK2z4FRXvEaOyBb%2Ff99jc6iOcZGnOub7sNOqBPWS2%2BDyJrUOJlEitj4e6ud03aN1QeNPDhAxZtWCjBH2oPGYvbX6duoTrPBrYU0sUQUYPv3ZIp13pb5ati3LniSnw4ZIpaa9RnIrLv8VOUt68tOCfO3tMNgUpbwputEKaK1nq1KALwM11s3XbPHSC9%2FZHLQUxmmN8kZwtUNej6wZdzAA%2BRsXPkWfXd0GqelPDcE04T2nlPuven1Gq5KgfvcZj1MqzesZ7VvGG5UWLewkNT2EV99beAAnkHMOjNoc8GOrEBco5S3CBZJJICehLhf94o44UL6w3fLRyxkcXJSKA4OIWMsp34zAcLpAkh6cK03fP%2FmL4d300cXFl%2BfH7cs1oDrAWC%2BorOZ0gVsouUCRjbyEUn3f8qik3aq78M%2B8zIAD2JpIouHm5i2V6rptchox9UqHNVbyGmEbgm34vYOV%2FZ8KUX8R%2F8mJ5xdyx%2B0dcNPMDgqrgemKizlzanVVyh5XdB79mphWfUxwc%2BejskCipaS0rX&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U7PPUQOUH%2F20260422%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260422T062922Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=8184d16404da7639ab5ea0f57d4cf3732bca25389ba3188032911efbe2edaed0 241w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2019\/04\/Big-Tick-768x958.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEH8aCWV1LXdlc3QtMSJHMEUCIC46hpAVlPPcv%2F6XvbtjhOta08AOR3mFSZfIzLC1ydTPAiEAmw6%2FjoUWmXnbRThGrebr%2FF4%2FYAMxqJJICWPukOD9%2B9QquQUIRxAFGgwyNzM1NzAxOTU0MzMiDC4tkcUFsOGAHyTiQiqWBfcijAO7o0X6lEZyKtQ4IMD3vqdh3hx6svdq9uJhx3zx8yFfavuLLwmVyxudF6ySV7SP3mO%2FWLmQTejqmHC%2Fy87uJKf2ztO3BTGmgTwZqF58N1TXxaIdOwRwFTwAH2EoMNeZ3dY5Yhcym5koKS45V1x9nLCb4qA4wd%2BLx05nxSz9eanf1pcvdgPXCepWFdfVBLQIOXX8lhPopeU7YS%2BVdzq%2BzcXrKeYC7QLFffXPKRyB8esAv%2BRyveKfXyh3NMAhbJZwKiRU%2FB51ynta1zRGbaVmcozEUuY0k%2FUnR7lTHXRzK2rHhwccvxgPlzUYA6JvVJFbtr2PWr3jH4lZ9wLWNtZls0T66Tf8j494boXOeFPy3fLfRqn9fim4oCGa1CWod8ExE6vZlenaQF3HgA2I4C7bwZjp%2FTJnXXCqz%2BWtbe1dh9d39nKjy4CDDSYJZiE8OCeCqapJU6%2Fo2ufxI0xj0YsVEtmpIwMhK4q8RGZc%2FVM9MeloevACz19noZjvxr5im%2F7pdlITKysHM4ULouo74tyrsGzWjVand8K8c%2B076kTlDxWthqKL8sZAlYG6kxMDJwvsL5TBS8dIcClcHNmxFUKK2z4FRXvEaOyBb%2Ff99jc6iOcZGnOub7sNOqBPWS2%2BDyJrUOJlEitj4e6ud03aN1QeNPDhAxZtWCjBH2oPGYvbX6duoTrPBrYU0sUQUYPv3ZIp13pb5ati3LniSnw4ZIpaa9RnIrLv8VOUt68tOCfO3tMNgUpbwputEKaK1nq1KALwM11s3XbPHSC9%2FZHLQUxmmN8kZwtUNej6wZdzAA%2BRsXPkWfXd0GqelPDcE04T2nlPuven1Gq5KgfvcZj1MqzesZ7VvGG5UWLewkNT2EV99beAAnkHMOjNoc8GOrEBco5S3CBZJJICehLhf94o44UL6w3fLRyxkcXJSKA4OIWMsp34zAcLpAkh6cK03fP%2FmL4d300cXFl%2BfH7cs1oDrAWC%2BorOZ0gVsouUCRjbyEUn3f8qik3aq78M%2B8zIAD2JpIouHm5i2V6rptchox9UqHNVbyGmEbgm34vYOV%2FZ8KUX8R%2F8mJ5xdyx%2B0dcNPMDgqrgemKizlzanVVyh5XdB79mphWfUxwc%2BejskCipaS0rX&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U7PPUQOUH%2F20260422%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260422T062922Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=453fef3a283266cc59a9b4d96543026f3bc3d174fb0ded8203da92da0d223529 768w\" sizes=\"auto, (max-width: 821px) 85vw, 821px\" \/><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<pre><strong><span style=\"color: #ff0000\">SET C<\/span><\/strong><\/pre>\n<table>\n<tbody>\n<tr>\n<td width=\"50\">\u00a0a)<\/td>\n<td>\n<pre>lead (IV) fluoride\r\n<\/pre>\n<\/td>\n<td width=\"50\">\u00a0b)<\/td>\n<td>\n<pre>calcium phosphide\r\n<\/pre>\n<\/td>\n<td width=\"50\">\u00a0c)<\/td>\n<td>\n<pre>calcium carbide<\/pre>\n<\/td>\n<\/tr>\n<tr>\n<td>\u00a0d)<\/td>\n<td>\n<pre>strontium chloride\r\n<\/pre>\n<\/td>\n<td>\u00a0e)<\/td>\n<td>\n<pre>calcium bromide\r\n<\/pre>\n<\/td>\n<td>\u00a0f)<\/td>\n<td>\n<pre>magnesium iodide<\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table>\n<tbody>\n<tr>\n<td style=\"text-align: left\">\n<pre><strong><span style=\"color: #0000ff\">Marking Guide for Questions \u00a0Set C \u00a0a) - f) above<\/span><\/strong><\/pre>\n<\/td>\n<td width=\"50\"><a href=\"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemskills\/answers-chemical-formulae\/\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-1405\" src=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2019\/04\/Big-Tick.png\" alt=\"\" width=\"821\" height=\"1024\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2019\/04\/Big-Tick.png 821w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2019\/04\/Big-Tick-241x300.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEH8aCWV1LXdlc3QtMSJHMEUCIC46hpAVlPPcv%2F6XvbtjhOta08AOR3mFSZfIzLC1ydTPAiEAmw6%2FjoUWmXnbRThGrebr%2FF4%2FYAMxqJJICWPukOD9%2B9QquQUIRxAFGgwyNzM1NzAxOTU0MzMiDC4tkcUFsOGAHyTiQiqWBfcijAO7o0X6lEZyKtQ4IMD3vqdh3hx6svdq9uJhx3zx8yFfavuLLwmVyxudF6ySV7SP3mO%2FWLmQTejqmHC%2Fy87uJKf2ztO3BTGmgTwZqF58N1TXxaIdOwRwFTwAH2EoMNeZ3dY5Yhcym5koKS45V1x9nLCb4qA4wd%2BLx05nxSz9eanf1pcvdgPXCepWFdfVBLQIOXX8lhPopeU7YS%2BVdzq%2BzcXrKeYC7QLFffXPKRyB8esAv%2BRyveKfXyh3NMAhbJZwKiRU%2FB51ynta1zRGbaVmcozEUuY0k%2FUnR7lTHXRzK2rHhwccvxgPlzUYA6JvVJFbtr2PWr3jH4lZ9wLWNtZls0T66Tf8j494boXOeFPy3fLfRqn9fim4oCGa1CWod8ExE6vZlenaQF3HgA2I4C7bwZjp%2FTJnXXCqz%2BWtbe1dh9d39nKjy4CDDSYJZiE8OCeCqapJU6%2Fo2ufxI0xj0YsVEtmpIwMhK4q8RGZc%2FVM9MeloevACz19noZjvxr5im%2F7pdlITKysHM4ULouo74tyrsGzWjVand8K8c%2B076kTlDxWthqKL8sZAlYG6kxMDJwvsL5TBS8dIcClcHNmxFUKK2z4FRXvEaOyBb%2Ff99jc6iOcZGnOub7sNOqBPWS2%2BDyJrUOJlEitj4e6ud03aN1QeNPDhAxZtWCjBH2oPGYvbX6duoTrPBrYU0sUQUYPv3ZIp13pb5ati3LniSnw4ZIpaa9RnIrLv8VOUt68tOCfO3tMNgUpbwputEKaK1nq1KALwM11s3XbPHSC9%2FZHLQUxmmN8kZwtUNej6wZdzAA%2BRsXPkWfXd0GqelPDcE04T2nlPuven1Gq5KgfvcZj1MqzesZ7VvGG5UWLewkNT2EV99beAAnkHMOjNoc8GOrEBco5S3CBZJJICehLhf94o44UL6w3fLRyxkcXJSKA4OIWMsp34zAcLpAkh6cK03fP%2FmL4d300cXFl%2BfH7cs1oDrAWC%2BorOZ0gVsouUCRjbyEUn3f8qik3aq78M%2B8zIAD2JpIouHm5i2V6rptchox9UqHNVbyGmEbgm34vYOV%2FZ8KUX8R%2F8mJ5xdyx%2B0dcNPMDgqrgemKizlzanVVyh5XdB79mphWfUxwc%2BejskCipaS0rX&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U7PPUQOUH%2F20260422%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260422T062922Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=8184d16404da7639ab5ea0f57d4cf3732bca25389ba3188032911efbe2edaed0 241w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2019\/04\/Big-Tick-768x958.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEH8aCWV1LXdlc3QtMSJHMEUCIC46hpAVlPPcv%2F6XvbtjhOta08AOR3mFSZfIzLC1ydTPAiEAmw6%2FjoUWmXnbRThGrebr%2FF4%2FYAMxqJJICWPukOD9%2B9QquQUIRxAFGgwyNzM1NzAxOTU0MzMiDC4tkcUFsOGAHyTiQiqWBfcijAO7o0X6lEZyKtQ4IMD3vqdh3hx6svdq9uJhx3zx8yFfavuLLwmVyxudF6ySV7SP3mO%2FWLmQTejqmHC%2Fy87uJKf2ztO3BTGmgTwZqF58N1TXxaIdOwRwFTwAH2EoMNeZ3dY5Yhcym5koKS45V1x9nLCb4qA4wd%2BLx05nxSz9eanf1pcvdgPXCepWFdfVBLQIOXX8lhPopeU7YS%2BVdzq%2BzcXrKeYC7QLFffXPKRyB8esAv%2BRyveKfXyh3NMAhbJZwKiRU%2FB51ynta1zRGbaVmcozEUuY0k%2FUnR7lTHXRzK2rHhwccvxgPlzUYA6JvVJFbtr2PWr3jH4lZ9wLWNtZls0T66Tf8j494boXOeFPy3fLfRqn9fim4oCGa1CWod8ExE6vZlenaQF3HgA2I4C7bwZjp%2FTJnXXCqz%2BWtbe1dh9d39nKjy4CDDSYJZiE8OCeCqapJU6%2Fo2ufxI0xj0YsVEtmpIwMhK4q8RGZc%2FVM9MeloevACz19noZjvxr5im%2F7pdlITKysHM4ULouo74tyrsGzWjVand8K8c%2B076kTlDxWthqKL8sZAlYG6kxMDJwvsL5TBS8dIcClcHNmxFUKK2z4FRXvEaOyBb%2Ff99jc6iOcZGnOub7sNOqBPWS2%2BDyJrUOJlEitj4e6ud03aN1QeNPDhAxZtWCjBH2oPGYvbX6duoTrPBrYU0sUQUYPv3ZIp13pb5ati3LniSnw4ZIpaa9RnIrLv8VOUt68tOCfO3tMNgUpbwputEKaK1nq1KALwM11s3XbPHSC9%2FZHLQUxmmN8kZwtUNej6wZdzAA%2BRsXPkWfXd0GqelPDcE04T2nlPuven1Gq5KgfvcZj1MqzesZ7VvGG5UWLewkNT2EV99beAAnkHMOjNoc8GOrEBco5S3CBZJJICehLhf94o44UL6w3fLRyxkcXJSKA4OIWMsp34zAcLpAkh6cK03fP%2FmL4d300cXFl%2BfH7cs1oDrAWC%2BorOZ0gVsouUCRjbyEUn3f8qik3aq78M%2B8zIAD2JpIouHm5i2V6rptchox9UqHNVbyGmEbgm34vYOV%2FZ8KUX8R%2F8mJ5xdyx%2B0dcNPMDgqrgemKizlzanVVyh5XdB79mphWfUxwc%2BejskCipaS0rX&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U7PPUQOUH%2F20260422%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260422T062922Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=453fef3a283266cc59a9b4d96543026f3bc3d174fb0ded8203da92da0d223529 768w\" sizes=\"auto, (max-width: 821px) 85vw, 821px\" \/><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<pre><strong><span style=\"color: #ff0000\">SET D<\/span><\/strong><\/pre>\n<table>\n<tbody>\n<tr>\n<td width=\"50\">a)<\/td>\n<td>\n<pre>aluminium iodide\r\n<\/pre>\n<\/td>\n<td width=\"50\">b)<\/td>\n<td>\n<pre>lithium oxide\r\n<\/pre>\n<\/td>\n<td width=\"50\">c)<\/td>\n<td>\n<pre>radium chloride<\/pre>\n<\/td>\n<\/tr>\n<tr>\n<td>d)<\/td>\n<td>\n<pre>carbon chloride\r\n<\/pre>\n<\/td>\n<td>e)<\/td>\n<td>\n<pre>magnesium chloride\r\n<\/pre>\n<\/td>\n<td>f)<\/td>\n<td>\n<pre>rubidium fluoride<\/pre>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"50\">g)<\/td>\n<td>\n<pre>strontium iodide\r\n<\/pre>\n<\/td>\n<td width=\"50\">h)<\/td>\n<td>\n<pre>tin (IV) oxide\r\n<\/pre>\n<\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table>\n<tbody>\n<tr>\n<td style=\"text-align: left\">\n<pre><strong><span style=\"color: #0000ff\">Marking Guide for Questions \u00a0Set D\u00a0 a) - h) above<\/span><\/strong><\/pre>\n<\/td>\n<td width=\"50\"><a href=\"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemskills\/answers-chemical-formulae\/\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-1405\" src=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2019\/04\/Big-Tick.png\" alt=\"\" width=\"821\" height=\"1024\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2019\/04\/Big-Tick.png 821w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2019\/04\/Big-Tick-241x300.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEH8aCWV1LXdlc3QtMSJHMEUCIC46hpAVlPPcv%2F6XvbtjhOta08AOR3mFSZfIzLC1ydTPAiEAmw6%2FjoUWmXnbRThGrebr%2FF4%2FYAMxqJJICWPukOD9%2B9QquQUIRxAFGgwyNzM1NzAxOTU0MzMiDC4tkcUFsOGAHyTiQiqWBfcijAO7o0X6lEZyKtQ4IMD3vqdh3hx6svdq9uJhx3zx8yFfavuLLwmVyxudF6ySV7SP3mO%2FWLmQTejqmHC%2Fy87uJKf2ztO3BTGmgTwZqF58N1TXxaIdOwRwFTwAH2EoMNeZ3dY5Yhcym5koKS45V1x9nLCb4qA4wd%2BLx05nxSz9eanf1pcvdgPXCepWFdfVBLQIOXX8lhPopeU7YS%2BVdzq%2BzcXrKeYC7QLFffXPKRyB8esAv%2BRyveKfXyh3NMAhbJZwKiRU%2FB51ynta1zRGbaVmcozEUuY0k%2FUnR7lTHXRzK2rHhwccvxgPlzUYA6JvVJFbtr2PWr3jH4lZ9wLWNtZls0T66Tf8j494boXOeFPy3fLfRqn9fim4oCGa1CWod8ExE6vZlenaQF3HgA2I4C7bwZjp%2FTJnXXCqz%2BWtbe1dh9d39nKjy4CDDSYJZiE8OCeCqapJU6%2Fo2ufxI0xj0YsVEtmpIwMhK4q8RGZc%2FVM9MeloevACz19noZjvxr5im%2F7pdlITKysHM4ULouo74tyrsGzWjVand8K8c%2B076kTlDxWthqKL8sZAlYG6kxMDJwvsL5TBS8dIcClcHNmxFUKK2z4FRXvEaOyBb%2Ff99jc6iOcZGnOub7sNOqBPWS2%2BDyJrUOJlEitj4e6ud03aN1QeNPDhAxZtWCjBH2oPGYvbX6duoTrPBrYU0sUQUYPv3ZIp13pb5ati3LniSnw4ZIpaa9RnIrLv8VOUt68tOCfO3tMNgUpbwputEKaK1nq1KALwM11s3XbPHSC9%2FZHLQUxmmN8kZwtUNej6wZdzAA%2BRsXPkWfXd0GqelPDcE04T2nlPuven1Gq5KgfvcZj1MqzesZ7VvGG5UWLewkNT2EV99beAAnkHMOjNoc8GOrEBco5S3CBZJJICehLhf94o44UL6w3fLRyxkcXJSKA4OIWMsp34zAcLpAkh6cK03fP%2FmL4d300cXFl%2BfH7cs1oDrAWC%2BorOZ0gVsouUCRjbyEUn3f8qik3aq78M%2B8zIAD2JpIouHm5i2V6rptchox9UqHNVbyGmEbgm34vYOV%2FZ8KUX8R%2F8mJ5xdyx%2B0dcNPMDgqrgemKizlzanVVyh5XdB79mphWfUxwc%2BejskCipaS0rX&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U7PPUQOUH%2F20260422%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260422T062922Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=8184d16404da7639ab5ea0f57d4cf3732bca25389ba3188032911efbe2edaed0 241w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2019\/04\/Big-Tick-768x958.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEH8aCWV1LXdlc3QtMSJHMEUCIC46hpAVlPPcv%2F6XvbtjhOta08AOR3mFSZfIzLC1ydTPAiEAmw6%2FjoUWmXnbRThGrebr%2FF4%2FYAMxqJJICWPukOD9%2B9QquQUIRxAFGgwyNzM1NzAxOTU0MzMiDC4tkcUFsOGAHyTiQiqWBfcijAO7o0X6lEZyKtQ4IMD3vqdh3hx6svdq9uJhx3zx8yFfavuLLwmVyxudF6ySV7SP3mO%2FWLmQTejqmHC%2Fy87uJKf2ztO3BTGmgTwZqF58N1TXxaIdOwRwFTwAH2EoMNeZ3dY5Yhcym5koKS45V1x9nLCb4qA4wd%2BLx05nxSz9eanf1pcvdgPXCepWFdfVBLQIOXX8lhPopeU7YS%2BVdzq%2BzcXrKeYC7QLFffXPKRyB8esAv%2BRyveKfXyh3NMAhbJZwKiRU%2FB51ynta1zRGbaVmcozEUuY0k%2FUnR7lTHXRzK2rHhwccvxgPlzUYA6JvVJFbtr2PWr3jH4lZ9wLWNtZls0T66Tf8j494boXOeFPy3fLfRqn9fim4oCGa1CWod8ExE6vZlenaQF3HgA2I4C7bwZjp%2FTJnXXCqz%2BWtbe1dh9d39nKjy4CDDSYJZiE8OCeCqapJU6%2Fo2ufxI0xj0YsVEtmpIwMhK4q8RGZc%2FVM9MeloevACz19noZjvxr5im%2F7pdlITKysHM4ULouo74tyrsGzWjVand8K8c%2B076kTlDxWthqKL8sZAlYG6kxMDJwvsL5TBS8dIcClcHNmxFUKK2z4FRXvEaOyBb%2Ff99jc6iOcZGnOub7sNOqBPWS2%2BDyJrUOJlEitj4e6ud03aN1QeNPDhAxZtWCjBH2oPGYvbX6duoTrPBrYU0sUQUYPv3ZIp13pb5ati3LniSnw4ZIpaa9RnIrLv8VOUt68tOCfO3tMNgUpbwputEKaK1nq1KALwM11s3XbPHSC9%2FZHLQUxmmN8kZwtUNej6wZdzAA%2BRsXPkWfXd0GqelPDcE04T2nlPuven1Gq5KgfvcZj1MqzesZ7VvGG5UWLewkNT2EV99beAAnkHMOjNoc8GOrEBco5S3CBZJJICehLhf94o44UL6w3fLRyxkcXJSKA4OIWMsp34zAcLpAkh6cK03fP%2FmL4d300cXFl%2BfH7cs1oDrAWC%2BorOZ0gVsouUCRjbyEUn3f8qik3aq78M%2B8zIAD2JpIouHm5i2V6rptchox9UqHNVbyGmEbgm34vYOV%2FZ8KUX8R%2F8mJ5xdyx%2B0dcNPMDgqrgemKizlzanVVyh5XdB79mphWfUxwc%2BejskCipaS0rX&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U7PPUQOUH%2F20260422%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260422T062922Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=453fef3a283266cc59a9b4d96543026f3bc3d174fb0ded8203da92da0d223529 768w\" sizes=\"auto, (max-width: 821px) 85vw, 821px\" \/><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<pre><strong><span style=\"color: #ff0000\">SET E<\/span><\/strong><\/pre>\n<table>\n<tbody>\n<tr>\n<td width=\"50\">a)<\/td>\n<td>\n<pre>calcium oxide<\/pre>\n<\/td>\n<td width=\"50\">b)<\/td>\n<td>\n<pre>sodium bromide<\/pre>\n<\/td>\n<td width=\"50\">c)<\/td>\n<td>\n<pre>copper(II)bromide<\/pre>\n<\/td>\n<\/tr>\n<tr>\n<td>d)<\/td>\n<td>\n<pre>beryllium oxide<\/pre>\n<\/td>\n<td>e)<\/td>\n<td>\n<pre>rubidium iodide<\/pre>\n<\/td>\n<td>f)<\/td>\n<td>\n<pre>vanadium (V) oxide<\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table>\n<tbody>\n<tr>\n<td style=\"text-align: left\">\n<pre><strong><span style=\"color: #0000ff\">Marking Guide for Questions \u00a0Set E\u00a0 a) - f) above<\/span><\/strong><\/pre>\n<\/td>\n<td width=\"50\"><a href=\"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemskills\/answers-chemical-formulae\/\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-1405\" src=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2019\/04\/Big-Tick.png\" alt=\"\" width=\"821\" height=\"1024\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2019\/04\/Big-Tick.png 821w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2019\/04\/Big-Tick-241x300.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEH8aCWV1LXdlc3QtMSJHMEUCIC46hpAVlPPcv%2F6XvbtjhOta08AOR3mFSZfIzLC1ydTPAiEAmw6%2FjoUWmXnbRThGrebr%2FF4%2FYAMxqJJICWPukOD9%2B9QquQUIRxAFGgwyNzM1NzAxOTU0MzMiDC4tkcUFsOGAHyTiQiqWBfcijAO7o0X6lEZyKtQ4IMD3vqdh3hx6svdq9uJhx3zx8yFfavuLLwmVyxudF6ySV7SP3mO%2FWLmQTejqmHC%2Fy87uJKf2ztO3BTGmgTwZqF58N1TXxaIdOwRwFTwAH2EoMNeZ3dY5Yhcym5koKS45V1x9nLCb4qA4wd%2BLx05nxSz9eanf1pcvdgPXCepWFdfVBLQIOXX8lhPopeU7YS%2BVdzq%2BzcXrKeYC7QLFffXPKRyB8esAv%2BRyveKfXyh3NMAhbJZwKiRU%2FB51ynta1zRGbaVmcozEUuY0k%2FUnR7lTHXRzK2rHhwccvxgPlzUYA6JvVJFbtr2PWr3jH4lZ9wLWNtZls0T66Tf8j494boXOeFPy3fLfRqn9fim4oCGa1CWod8ExE6vZlenaQF3HgA2I4C7bwZjp%2FTJnXXCqz%2BWtbe1dh9d39nKjy4CDDSYJZiE8OCeCqapJU6%2Fo2ufxI0xj0YsVEtmpIwMhK4q8RGZc%2FVM9MeloevACz19noZjvxr5im%2F7pdlITKysHM4ULouo74tyrsGzWjVand8K8c%2B076kTlDxWthqKL8sZAlYG6kxMDJwvsL5TBS8dIcClcHNmxFUKK2z4FRXvEaOyBb%2Ff99jc6iOcZGnOub7sNOqBPWS2%2BDyJrUOJlEitj4e6ud03aN1QeNPDhAxZtWCjBH2oPGYvbX6duoTrPBrYU0sUQUYPv3ZIp13pb5ati3LniSnw4ZIpaa9RnIrLv8VOUt68tOCfO3tMNgUpbwputEKaK1nq1KALwM11s3XbPHSC9%2FZHLQUxmmN8kZwtUNej6wZdzAA%2BRsXPkWfXd0GqelPDcE04T2nlPuven1Gq5KgfvcZj1MqzesZ7VvGG5UWLewkNT2EV99beAAnkHMOjNoc8GOrEBco5S3CBZJJICehLhf94o44UL6w3fLRyxkcXJSKA4OIWMsp34zAcLpAkh6cK03fP%2FmL4d300cXFl%2BfH7cs1oDrAWC%2BorOZ0gVsouUCRjbyEUn3f8qik3aq78M%2B8zIAD2JpIouHm5i2V6rptchox9UqHNVbyGmEbgm34vYOV%2FZ8KUX8R%2F8mJ5xdyx%2B0dcNPMDgqrgemKizlzanVVyh5XdB79mphWfUxwc%2BejskCipaS0rX&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U7PPUQOUH%2F20260422%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260422T062922Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=8184d16404da7639ab5ea0f57d4cf3732bca25389ba3188032911efbe2edaed0 241w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2019\/04\/Big-Tick-768x958.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEH8aCWV1LXdlc3QtMSJHMEUCIC46hpAVlPPcv%2F6XvbtjhOta08AOR3mFSZfIzLC1ydTPAiEAmw6%2FjoUWmXnbRThGrebr%2FF4%2FYAMxqJJICWPukOD9%2B9QquQUIRxAFGgwyNzM1NzAxOTU0MzMiDC4tkcUFsOGAHyTiQiqWBfcijAO7o0X6lEZyKtQ4IMD3vqdh3hx6svdq9uJhx3zx8yFfavuLLwmVyxudF6ySV7SP3mO%2FWLmQTejqmHC%2Fy87uJKf2ztO3BTGmgTwZqF58N1TXxaIdOwRwFTwAH2EoMNeZ3dY5Yhcym5koKS45V1x9nLCb4qA4wd%2BLx05nxSz9eanf1pcvdgPXCepWFdfVBLQIOXX8lhPopeU7YS%2BVdzq%2BzcXrKeYC7QLFffXPKRyB8esAv%2BRyveKfXyh3NMAhbJZwKiRU%2FB51ynta1zRGbaVmcozEUuY0k%2FUnR7lTHXRzK2rHhwccvxgPlzUYA6JvVJFbtr2PWr3jH4lZ9wLWNtZls0T66Tf8j494boXOeFPy3fLfRqn9fim4oCGa1CWod8ExE6vZlenaQF3HgA2I4C7bwZjp%2FTJnXXCqz%2BWtbe1dh9d39nKjy4CDDSYJZiE8OCeCqapJU6%2Fo2ufxI0xj0YsVEtmpIwMhK4q8RGZc%2FVM9MeloevACz19noZjvxr5im%2F7pdlITKysHM4ULouo74tyrsGzWjVand8K8c%2B076kTlDxWthqKL8sZAlYG6kxMDJwvsL5TBS8dIcClcHNmxFUKK2z4FRXvEaOyBb%2Ff99jc6iOcZGnOub7sNOqBPWS2%2BDyJrUOJlEitj4e6ud03aN1QeNPDhAxZtWCjBH2oPGYvbX6duoTrPBrYU0sUQUYPv3ZIp13pb5ati3LniSnw4ZIpaa9RnIrLv8VOUt68tOCfO3tMNgUpbwputEKaK1nq1KALwM11s3XbPHSC9%2FZHLQUxmmN8kZwtUNej6wZdzAA%2BRsXPkWfXd0GqelPDcE04T2nlPuven1Gq5KgfvcZj1MqzesZ7VvGG5UWLewkNT2EV99beAAnkHMOjNoc8GOrEBco5S3CBZJJICehLhf94o44UL6w3fLRyxkcXJSKA4OIWMsp34zAcLpAkh6cK03fP%2FmL4d300cXFl%2BfH7cs1oDrAWC%2BorOZ0gVsouUCRjbyEUn3f8qik3aq78M%2B8zIAD2JpIouHm5i2V6rptchox9UqHNVbyGmEbgm34vYOV%2FZ8KUX8R%2F8mJ5xdyx%2B0dcNPMDgqrgemKizlzanVVyh5XdB79mphWfUxwc%2BejskCipaS0rX&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U7PPUQOUH%2F20260422%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260422T062922Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=453fef3a283266cc59a9b4d96543026f3bc3d174fb0ded8203da92da0d223529 768w\" sizes=\"auto, (max-width: 821px) 85vw, 821px\" \/><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<pre><strong><span style=\"color: #ff0000\">SET F<\/span><\/strong><\/pre>\n<table>\n<tbody>\n<tr>\n<td width=\"50\">a)<\/td>\n<td>\n<pre>barium iodide<\/pre>\n<\/td>\n<td width=\"50\">b)<\/td>\n<td>\n<pre>calcium chloride<\/pre>\n<\/td>\n<td width=\"50\">c)<\/td>\n<td>\n<pre>iron (III) oxide<\/pre>\n<\/td>\n<\/tr>\n<tr>\n<td>d)<\/td>\n<td>\n<pre>potassium oxide<\/pre>\n<\/td>\n<td>e)<\/td>\n<td>\n<pre>lead iodide<\/pre>\n<\/td>\n<td>f)<\/td>\n<td>\n<pre>zinc (I) sulfide<\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table>\n<tbody>\n<tr>\n<td style=\"text-align: left\">\n<pre><strong><span style=\"color: #0000ff\">Marking Guide for Questions \u00a0Set F\u00a0 a) - f) above<\/span><\/strong><\/pre>\n<\/td>\n<td width=\"50\"><a href=\"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemskills\/answers-chemical-formulae\/\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-1405\" src=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2019\/04\/Big-Tick.png\" alt=\"\" width=\"821\" height=\"1024\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2019\/04\/Big-Tick.png 821w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2019\/04\/Big-Tick-241x300.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEH8aCWV1LXdlc3QtMSJHMEUCIC46hpAVlPPcv%2F6XvbtjhOta08AOR3mFSZfIzLC1ydTPAiEAmw6%2FjoUWmXnbRThGrebr%2FF4%2FYAMxqJJICWPukOD9%2B9QquQUIRxAFGgwyNzM1NzAxOTU0MzMiDC4tkcUFsOGAHyTiQiqWBfcijAO7o0X6lEZyKtQ4IMD3vqdh3hx6svdq9uJhx3zx8yFfavuLLwmVyxudF6ySV7SP3mO%2FWLmQTejqmHC%2Fy87uJKf2ztO3BTGmgTwZqF58N1TXxaIdOwRwFTwAH2EoMNeZ3dY5Yhcym5koKS45V1x9nLCb4qA4wd%2BLx05nxSz9eanf1pcvdgPXCepWFdfVBLQIOXX8lhPopeU7YS%2BVdzq%2BzcXrKeYC7QLFffXPKRyB8esAv%2BRyveKfXyh3NMAhbJZwKiRU%2FB51ynta1zRGbaVmcozEUuY0k%2FUnR7lTHXRzK2rHhwccvxgPlzUYA6JvVJFbtr2PWr3jH4lZ9wLWNtZls0T66Tf8j494boXOeFPy3fLfRqn9fim4oCGa1CWod8ExE6vZlenaQF3HgA2I4C7bwZjp%2FTJnXXCqz%2BWtbe1dh9d39nKjy4CDDSYJZiE8OCeCqapJU6%2Fo2ufxI0xj0YsVEtmpIwMhK4q8RGZc%2FVM9MeloevACz19noZjvxr5im%2F7pdlITKysHM4ULouo74tyrsGzWjVand8K8c%2B076kTlDxWthqKL8sZAlYG6kxMDJwvsL5TBS8dIcClcHNmxFUKK2z4FRXvEaOyBb%2Ff99jc6iOcZGnOub7sNOqBPWS2%2BDyJrUOJlEitj4e6ud03aN1QeNPDhAxZtWCjBH2oPGYvbX6duoTrPBrYU0sUQUYPv3ZIp13pb5ati3LniSnw4ZIpaa9RnIrLv8VOUt68tOCfO3tMNgUpbwputEKaK1nq1KALwM11s3XbPHSC9%2FZHLQUxmmN8kZwtUNej6wZdzAA%2BRsXPkWfXd0GqelPDcE04T2nlPuven1Gq5KgfvcZj1MqzesZ7VvGG5UWLewkNT2EV99beAAnkHMOjNoc8GOrEBco5S3CBZJJICehLhf94o44UL6w3fLRyxkcXJSKA4OIWMsp34zAcLpAkh6cK03fP%2FmL4d300cXFl%2BfH7cs1oDrAWC%2BorOZ0gVsouUCRjbyEUn3f8qik3aq78M%2B8zIAD2JpIouHm5i2V6rptchox9UqHNVbyGmEbgm34vYOV%2FZ8KUX8R%2F8mJ5xdyx%2B0dcNPMDgqrgemKizlzanVVyh5XdB79mphWfUxwc%2BejskCipaS0rX&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U7PPUQOUH%2F20260422%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260422T062922Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=8184d16404da7639ab5ea0f57d4cf3732bca25389ba3188032911efbe2edaed0 241w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2019\/04\/Big-Tick-768x958.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEH8aCWV1LXdlc3QtMSJHMEUCIC46hpAVlPPcv%2F6XvbtjhOta08AOR3mFSZfIzLC1ydTPAiEAmw6%2FjoUWmXnbRThGrebr%2FF4%2FYAMxqJJICWPukOD9%2B9QquQUIRxAFGgwyNzM1NzAxOTU0MzMiDC4tkcUFsOGAHyTiQiqWBfcijAO7o0X6lEZyKtQ4IMD3vqdh3hx6svdq9uJhx3zx8yFfavuLLwmVyxudF6ySV7SP3mO%2FWLmQTejqmHC%2Fy87uJKf2ztO3BTGmgTwZqF58N1TXxaIdOwRwFTwAH2EoMNeZ3dY5Yhcym5koKS45V1x9nLCb4qA4wd%2BLx05nxSz9eanf1pcvdgPXCepWFdfVBLQIOXX8lhPopeU7YS%2BVdzq%2BzcXrKeYC7QLFffXPKRyB8esAv%2BRyveKfXyh3NMAhbJZwKiRU%2FB51ynta1zRGbaVmcozEUuY0k%2FUnR7lTHXRzK2rHhwccvxgPlzUYA6JvVJFbtr2PWr3jH4lZ9wLWNtZls0T66Tf8j494boXOeFPy3fLfRqn9fim4oCGa1CWod8ExE6vZlenaQF3HgA2I4C7bwZjp%2FTJnXXCqz%2BWtbe1dh9d39nKjy4CDDSYJZiE8OCeCqapJU6%2Fo2ufxI0xj0YsVEtmpIwMhK4q8RGZc%2FVM9MeloevACz19noZjvxr5im%2F7pdlITKysHM4ULouo74tyrsGzWjVand8K8c%2B076kTlDxWthqKL8sZAlYG6kxMDJwvsL5TBS8dIcClcHNmxFUKK2z4FRXvEaOyBb%2Ff99jc6iOcZGnOub7sNOqBPWS2%2BDyJrUOJlEitj4e6ud03aN1QeNPDhAxZtWCjBH2oPGYvbX6duoTrPBrYU0sUQUYPv3ZIp13pb5ati3LniSnw4ZIpaa9RnIrLv8VOUt68tOCfO3tMNgUpbwputEKaK1nq1KALwM11s3XbPHSC9%2FZHLQUxmmN8kZwtUNej6wZdzAA%2BRsXPkWfXd0GqelPDcE04T2nlPuven1Gq5KgfvcZj1MqzesZ7VvGG5UWLewkNT2EV99beAAnkHMOjNoc8GOrEBco5S3CBZJJICehLhf94o44UL6w3fLRyxkcXJSKA4OIWMsp34zAcLpAkh6cK03fP%2FmL4d300cXFl%2BfH7cs1oDrAWC%2BorOZ0gVsouUCRjbyEUn3f8qik3aq78M%2B8zIAD2JpIouHm5i2V6rptchox9UqHNVbyGmEbgm34vYOV%2FZ8KUX8R%2F8mJ5xdyx%2B0dcNPMDgqrgemKizlzanVVyh5XdB79mphWfUxwc%2BejskCipaS0rX&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U7PPUQOUH%2F20260422%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260422T062922Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=453fef3a283266cc59a9b4d96543026f3bc3d174fb0ded8203da92da0d223529 768w\" sizes=\"auto, (max-width: 821px) 85vw, 821px\" \/><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<pre><strong><span style=\"color: #ff0000\">SET G<\/span><\/strong><\/pre>\n<table>\n<tbody>\n<tr>\n<td width=\"50\">a)<\/td>\n<td>\n<pre>lead chloride<\/pre>\n<\/td>\n<td width=\"50\">b)<\/td>\n<td>\n<pre>barium oxide<\/pre>\n<\/td>\n<td width=\"50\">c)<\/td>\n<td>\n<pre>copper (I) sulfide<\/pre>\n<\/td>\n<\/tr>\n<tr>\n<td>d)<\/td>\n<td>\n<pre>magnesium oxide<\/pre>\n<\/td>\n<td>e)<\/td>\n<td>\n<pre>iron (III) sulfide<\/pre>\n<\/td>\n<td>f)<\/td>\n<td>\n<pre>silver (I) bromide<\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table>\n<tbody>\n<tr>\n<td style=\"text-align: left\">\n<pre><strong><span style=\"color: #0000ff\">Marking Guide for Questions \u00a0Set G\u00a0 a) - f) above<\/span><\/strong><\/pre>\n<\/td>\n<td width=\"50\"><a href=\"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemskills\/answers-chemical-formulae\/\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-1405\" src=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2019\/04\/Big-Tick.png\" alt=\"\" width=\"821\" height=\"1024\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2019\/04\/Big-Tick.png 821w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2019\/04\/Big-Tick-241x300.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEH8aCWV1LXdlc3QtMSJHMEUCIC46hpAVlPPcv%2F6XvbtjhOta08AOR3mFSZfIzLC1ydTPAiEAmw6%2FjoUWmXnbRThGrebr%2FF4%2FYAMxqJJICWPukOD9%2B9QquQUIRxAFGgwyNzM1NzAxOTU0MzMiDC4tkcUFsOGAHyTiQiqWBfcijAO7o0X6lEZyKtQ4IMD3vqdh3hx6svdq9uJhx3zx8yFfavuLLwmVyxudF6ySV7SP3mO%2FWLmQTejqmHC%2Fy87uJKf2ztO3BTGmgTwZqF58N1TXxaIdOwRwFTwAH2EoMNeZ3dY5Yhcym5koKS45V1x9nLCb4qA4wd%2BLx05nxSz9eanf1pcvdgPXCepWFdfVBLQIOXX8lhPopeU7YS%2BVdzq%2BzcXrKeYC7QLFffXPKRyB8esAv%2BRyveKfXyh3NMAhbJZwKiRU%2FB51ynta1zRGbaVmcozEUuY0k%2FUnR7lTHXRzK2rHhwccvxgPlzUYA6JvVJFbtr2PWr3jH4lZ9wLWNtZls0T66Tf8j494boXOeFPy3fLfRqn9fim4oCGa1CWod8ExE6vZlenaQF3HgA2I4C7bwZjp%2FTJnXXCqz%2BWtbe1dh9d39nKjy4CDDSYJZiE8OCeCqapJU6%2Fo2ufxI0xj0YsVEtmpIwMhK4q8RGZc%2FVM9MeloevACz19noZjvxr5im%2F7pdlITKysHM4ULouo74tyrsGzWjVand8K8c%2B076kTlDxWthqKL8sZAlYG6kxMDJwvsL5TBS8dIcClcHNmxFUKK2z4FRXvEaOyBb%2Ff99jc6iOcZGnOub7sNOqBPWS2%2BDyJrUOJlEitj4e6ud03aN1QeNPDhAxZtWCjBH2oPGYvbX6duoTrPBrYU0sUQUYPv3ZIp13pb5ati3LniSnw4ZIpaa9RnIrLv8VOUt68tOCfO3tMNgUpbwputEKaK1nq1KALwM11s3XbPHSC9%2FZHLQUxmmN8kZwtUNej6wZdzAA%2BRsXPkWfXd0GqelPDcE04T2nlPuven1Gq5KgfvcZj1MqzesZ7VvGG5UWLewkNT2EV99beAAnkHMOjNoc8GOrEBco5S3CBZJJICehLhf94o44UL6w3fLRyxkcXJSKA4OIWMsp34zAcLpAkh6cK03fP%2FmL4d300cXFl%2BfH7cs1oDrAWC%2BorOZ0gVsouUCRjbyEUn3f8qik3aq78M%2B8zIAD2JpIouHm5i2V6rptchox9UqHNVbyGmEbgm34vYOV%2FZ8KUX8R%2F8mJ5xdyx%2B0dcNPMDgqrgemKizlzanVVyh5XdB79mphWfUxwc%2BejskCipaS0rX&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U7PPUQOUH%2F20260422%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260422T062922Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=8184d16404da7639ab5ea0f57d4cf3732bca25389ba3188032911efbe2edaed0 241w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2019\/04\/Big-Tick-768x958.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEH8aCWV1LXdlc3QtMSJHMEUCIC46hpAVlPPcv%2F6XvbtjhOta08AOR3mFSZfIzLC1ydTPAiEAmw6%2FjoUWmXnbRThGrebr%2FF4%2FYAMxqJJICWPukOD9%2B9QquQUIRxAFGgwyNzM1NzAxOTU0MzMiDC4tkcUFsOGAHyTiQiqWBfcijAO7o0X6lEZyKtQ4IMD3vqdh3hx6svdq9uJhx3zx8yFfavuLLwmVyxudF6ySV7SP3mO%2FWLmQTejqmHC%2Fy87uJKf2ztO3BTGmgTwZqF58N1TXxaIdOwRwFTwAH2EoMNeZ3dY5Yhcym5koKS45V1x9nLCb4qA4wd%2BLx05nxSz9eanf1pcvdgPXCepWFdfVBLQIOXX8lhPopeU7YS%2BVdzq%2BzcXrKeYC7QLFffXPKRyB8esAv%2BRyveKfXyh3NMAhbJZwKiRU%2FB51ynta1zRGbaVmcozEUuY0k%2FUnR7lTHXRzK2rHhwccvxgPlzUYA6JvVJFbtr2PWr3jH4lZ9wLWNtZls0T66Tf8j494boXOeFPy3fLfRqn9fim4oCGa1CWod8ExE6vZlenaQF3HgA2I4C7bwZjp%2FTJnXXCqz%2BWtbe1dh9d39nKjy4CDDSYJZiE8OCeCqapJU6%2Fo2ufxI0xj0YsVEtmpIwMhK4q8RGZc%2FVM9MeloevACz19noZjvxr5im%2F7pdlITKysHM4ULouo74tyrsGzWjVand8K8c%2B076kTlDxWthqKL8sZAlYG6kxMDJwvsL5TBS8dIcClcHNmxFUKK2z4FRXvEaOyBb%2Ff99jc6iOcZGnOub7sNOqBPWS2%2BDyJrUOJlEitj4e6ud03aN1QeNPDhAxZtWCjBH2oPGYvbX6duoTrPBrYU0sUQUYPv3ZIp13pb5ati3LniSnw4ZIpaa9RnIrLv8VOUt68tOCfO3tMNgUpbwputEKaK1nq1KALwM11s3XbPHSC9%2FZHLQUxmmN8kZwtUNej6wZdzAA%2BRsXPkWfXd0GqelPDcE04T2nlPuven1Gq5KgfvcZj1MqzesZ7VvGG5UWLewkNT2EV99beAAnkHMOjNoc8GOrEBco5S3CBZJJICehLhf94o44UL6w3fLRyxkcXJSKA4OIWMsp34zAcLpAkh6cK03fP%2FmL4d300cXFl%2BfH7cs1oDrAWC%2BorOZ0gVsouUCRjbyEUn3f8qik3aq78M%2B8zIAD2JpIouHm5i2V6rptchox9UqHNVbyGmEbgm34vYOV%2FZ8KUX8R%2F8mJ5xdyx%2B0dcNPMDgqrgemKizlzanVVyh5XdB79mphWfUxwc%2BejskCipaS0rX&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U7PPUQOUH%2F20260422%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260422T062922Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=453fef3a283266cc59a9b4d96543026f3bc3d174fb0ded8203da92da0d223529 768w\" sizes=\"auto, (max-width: 821px) 85vw, 821px\" \/><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<pre><strong><span style=\"color: #ff0000\">SET H<\/span><\/strong><\/pre>\n<table>\n<tbody>\n<tr>\n<td width=\"50\">a)<\/td>\n<td>\n<pre>tin (II) oxide<\/pre>\n<\/td>\n<td width=\"50\">b)<\/td>\n<td>\n<pre>iron (II) chloride<\/pre>\n<\/td>\n<td width=\"50\">c)<\/td>\n<td>\n<pre>lead (II) bromide<\/pre>\n<\/td>\n<\/tr>\n<tr>\n<td>d)<\/td>\n<td>\n<pre>copper (II) oxide<\/pre>\n<\/td>\n<td>e)<\/td>\n<td>\n<pre>niobium (IV) chloride<\/pre>\n<\/td>\n<td>f)<\/td>\n<td>\n<pre>nickel (II) fluoride<\/pre>\n<\/td>\n<\/tr>\n<tr>\n<td>g)<\/td>\n<td>\n<pre>iron (III) chloride<\/pre>\n<\/td>\n<td>h)<\/td>\n<td>\n<pre>copper (I) bromide<\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table>\n<tbody>\n<tr>\n<td style=\"text-align: left\">\n<pre><strong><span style=\"color: #0000ff\">Marking Guide for Questions \u00a0Set H\u00a0 a) - f) above<\/span><\/strong><\/pre>\n<\/td>\n<td width=\"50\"><a href=\"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemskills\/answers-chemical-formulae\/\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-1405\" src=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2019\/04\/Big-Tick.png\" alt=\"\" width=\"821\" height=\"1024\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2019\/04\/Big-Tick.png 821w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2019\/04\/Big-Tick-241x300.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEH8aCWV1LXdlc3QtMSJHMEUCIC46hpAVlPPcv%2F6XvbtjhOta08AOR3mFSZfIzLC1ydTPAiEAmw6%2FjoUWmXnbRThGrebr%2FF4%2FYAMxqJJICWPukOD9%2B9QquQUIRxAFGgwyNzM1NzAxOTU0MzMiDC4tkcUFsOGAHyTiQiqWBfcijAO7o0X6lEZyKtQ4IMD3vqdh3hx6svdq9uJhx3zx8yFfavuLLwmVyxudF6ySV7SP3mO%2FWLmQTejqmHC%2Fy87uJKf2ztO3BTGmgTwZqF58N1TXxaIdOwRwFTwAH2EoMNeZ3dY5Yhcym5koKS45V1x9nLCb4qA4wd%2BLx05nxSz9eanf1pcvdgPXCepWFdfVBLQIOXX8lhPopeU7YS%2BVdzq%2BzcXrKeYC7QLFffXPKRyB8esAv%2BRyveKfXyh3NMAhbJZwKiRU%2FB51ynta1zRGbaVmcozEUuY0k%2FUnR7lTHXRzK2rHhwccvxgPlzUYA6JvVJFbtr2PWr3jH4lZ9wLWNtZls0T66Tf8j494boXOeFPy3fLfRqn9fim4oCGa1CWod8ExE6vZlenaQF3HgA2I4C7bwZjp%2FTJnXXCqz%2BWtbe1dh9d39nKjy4CDDSYJZiE8OCeCqapJU6%2Fo2ufxI0xj0YsVEtmpIwMhK4q8RGZc%2FVM9MeloevACz19noZjvxr5im%2F7pdlITKysHM4ULouo74tyrsGzWjVand8K8c%2B076kTlDxWthqKL8sZAlYG6kxMDJwvsL5TBS8dIcClcHNmxFUKK2z4FRXvEaOyBb%2Ff99jc6iOcZGnOub7sNOqBPWS2%2BDyJrUOJlEitj4e6ud03aN1QeNPDhAxZtWCjBH2oPGYvbX6duoTrPBrYU0sUQUYPv3ZIp13pb5ati3LniSnw4ZIpaa9RnIrLv8VOUt68tOCfO3tMNgUpbwputEKaK1nq1KALwM11s3XbPHSC9%2FZHLQUxmmN8kZwtUNej6wZdzAA%2BRsXPkWfXd0GqelPDcE04T2nlPuven1Gq5KgfvcZj1MqzesZ7VvGG5UWLewkNT2EV99beAAnkHMOjNoc8GOrEBco5S3CBZJJICehLhf94o44UL6w3fLRyxkcXJSKA4OIWMsp34zAcLpAkh6cK03fP%2FmL4d300cXFl%2BfH7cs1oDrAWC%2BorOZ0gVsouUCRjbyEUn3f8qik3aq78M%2B8zIAD2JpIouHm5i2V6rptchox9UqHNVbyGmEbgm34vYOV%2FZ8KUX8R%2F8mJ5xdyx%2B0dcNPMDgqrgemKizlzanVVyh5XdB79mphWfUxwc%2BejskCipaS0rX&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U7PPUQOUH%2F20260422%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260422T062922Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=8184d16404da7639ab5ea0f57d4cf3732bca25389ba3188032911efbe2edaed0 241w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2019\/04\/Big-Tick-768x958.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEH8aCWV1LXdlc3QtMSJHMEUCIC46hpAVlPPcv%2F6XvbtjhOta08AOR3mFSZfIzLC1ydTPAiEAmw6%2FjoUWmXnbRThGrebr%2FF4%2FYAMxqJJICWPukOD9%2B9QquQUIRxAFGgwyNzM1NzAxOTU0MzMiDC4tkcUFsOGAHyTiQiqWBfcijAO7o0X6lEZyKtQ4IMD3vqdh3hx6svdq9uJhx3zx8yFfavuLLwmVyxudF6ySV7SP3mO%2FWLmQTejqmHC%2Fy87uJKf2ztO3BTGmgTwZqF58N1TXxaIdOwRwFTwAH2EoMNeZ3dY5Yhcym5koKS45V1x9nLCb4qA4wd%2BLx05nxSz9eanf1pcvdgPXCepWFdfVBLQIOXX8lhPopeU7YS%2BVdzq%2BzcXrKeYC7QLFffXPKRyB8esAv%2BRyveKfXyh3NMAhbJZwKiRU%2FB51ynta1zRGbaVmcozEUuY0k%2FUnR7lTHXRzK2rHhwccvxgPlzUYA6JvVJFbtr2PWr3jH4lZ9wLWNtZls0T66Tf8j494boXOeFPy3fLfRqn9fim4oCGa1CWod8ExE6vZlenaQF3HgA2I4C7bwZjp%2FTJnXXCqz%2BWtbe1dh9d39nKjy4CDDSYJZiE8OCeCqapJU6%2Fo2ufxI0xj0YsVEtmpIwMhK4q8RGZc%2FVM9MeloevACz19noZjvxr5im%2F7pdlITKysHM4ULouo74tyrsGzWjVand8K8c%2B076kTlDxWthqKL8sZAlYG6kxMDJwvsL5TBS8dIcClcHNmxFUKK2z4FRXvEaOyBb%2Ff99jc6iOcZGnOub7sNOqBPWS2%2BDyJrUOJlEitj4e6ud03aN1QeNPDhAxZtWCjBH2oPGYvbX6duoTrPBrYU0sUQUYPv3ZIp13pb5ati3LniSnw4ZIpaa9RnIrLv8VOUt68tOCfO3tMNgUpbwputEKaK1nq1KALwM11s3XbPHSC9%2FZHLQUxmmN8kZwtUNej6wZdzAA%2BRsXPkWfXd0GqelPDcE04T2nlPuven1Gq5KgfvcZj1MqzesZ7VvGG5UWLewkNT2EV99beAAnkHMOjNoc8GOrEBco5S3CBZJJICehLhf94o44UL6w3fLRyxkcXJSKA4OIWMsp34zAcLpAkh6cK03fP%2FmL4d300cXFl%2BfH7cs1oDrAWC%2BorOZ0gVsouUCRjbyEUn3f8qik3aq78M%2B8zIAD2JpIouHm5i2V6rptchox9UqHNVbyGmEbgm34vYOV%2FZ8KUX8R%2F8mJ5xdyx%2B0dcNPMDgqrgemKizlzanVVyh5XdB79mphWfUxwc%2BejskCipaS0rX&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U7PPUQOUH%2F20260422%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260422T062922Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=453fef3a283266cc59a9b4d96543026f3bc3d174fb0ded8203da92da0d223529 768w\" sizes=\"auto, (max-width: 821px) 85vw, 821px\" \/><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0 \u00a0 Write the chemical formula for the following compounds: SET A a) potassium chloride b) magnesium bromide c) calcium sulfide d) calcium hydride \u00a0e) sodium oxide \u00a0f) lithium chloride Marking Guide for Questions \u00a0Set A \u00a0a) &#8211; f) above SET B \u00a0a) lead (IV) oxide \u00a0b) aluminium bromide \u00a0c) caesium chloride \u00a0d) aluminium sulfide &hellip; <a href=\"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemskills\/chemical-formula-valency-revision\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Revision Exercise SR2A &#8211; Chemical Formula from Valency&#8221;<\/span><\/a><\/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-13","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemskills\/wp-json\/wp\/v2\/pages\/13","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemskills\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemskills\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemskills\/wp-json\/wp\/v2\/users\/2454"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemskills\/wp-json\/wp\/v2\/comments?post=13"}],"version-history":[{"count":77,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemskills\/wp-json\/wp\/v2\/pages\/13\/revisions"}],"predecessor-version":[{"id":2640,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemskills\/wp-json\/wp\/v2\/pages\/13\/revisions\/2640"}],"wp:attachment":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemskills\/wp-json\/wp\/v2\/media?parent=13"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}