{"id":11,"date":"2015-12-30T12:36:40","date_gmt":"2015-12-30T12:36:40","guid":{"rendered":"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemskills\/?page_id=11"},"modified":"2022-05-17T09:17:52","modified_gmt":"2022-05-17T09:17:52","slug":"chemical-formula-roman-numerals-revision","status":"publish","type":"page","link":"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemskills\/chemical-formula-roman-numerals-revision\/","title":{"rendered":"Revision Exercise &#8211; Chemical Formula using Roman Numerals"},"content":{"rendered":"<pre><strong><span style=\"color: #008000\">Write chemical formulae for the following compounds<\/span><\/strong><\/pre>\n<pre><strong><span style=\"color: #ff0000\">SET A<\/span><\/strong><\/pre>\n<table>\n<tbody>\n<tr>\n<td width=\"40\">a)<\/td>\n<td>\n<pre>copper(II)sulfide<\/pre>\n<\/td>\n<td width=\"40\">b)<\/td>\n<td>\n<pre>copper(I) oxide<\/pre>\n<\/td>\n<td width=\"40\">c)<\/td>\n<td>\n<pre>iron(II)chloride<\/pre>\n<\/td>\n<\/tr>\n<tr>\n<td>d)<\/td>\n<td>\n<pre>tin(IV)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>copper(II)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 A \u00a0a) - f) above<\/span><\/strong><\/pre>\n<\/td>\n<td width=\"50\"><a href=\"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemskills\/marking-guide-revision-exercise-chemical-formula-using-roman-numerals\/\" target=\"_blank\" rel=\"noopener\"><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=\"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=IQoJb3JpZ2luX2VjEH8aCWV1LXdlc3QtMSJIMEYCIQCZiPUI5OJ2%2FHbYPoLymUIDnq0GlsKnWAuvDb2AafcM9gIhAJG1N%2BYhN0NydjhixUDI7w%2FSZWyyYgY9xU38Y511u824KrkFCEcQBRoMMjczNTcwMTk1NDMzIgzem8ZFzaESYtWfgA8qlgWA%2By5jnK51b2GUGqfw5gnU%2BTlLyU2O%2Fr8CqE1ugrIYbNd7D0cmZcpdo8nABbGSXs%2BS36XFZYK9wydLQv8lWYloeEDWmjxUDRAg4bfbAlVE9y05Ui17DP%2FpqcXpftyQqEmDDNUZ5TBEcqTvLC0GXIEhDsRR5UeUxoUQgydIm7MW5m67yaMbRz7UPzoKzdC5pa%2FqkwA257Qq7rUkpUNuEmGaKJY%2BPa1LEHoaXZQrmLEgtkgL9Ov39iw5WeS%2B0A4NB7BrDYO5EGoUc9OGmMLF2HVgjnOfaMxv8zYGqwQ9erX75O%2FSbcpwXBTAQFfsetXUjHotHvQVgH3fAleZ4FBoSRNerXh97OVA%2FodMq5gjHN2Yrlj8BoyTo4OT8zY9sIlJt81zdfYlLs%2Fi1xqp%2BYpzKs0ppJ6p6dPkpPj3dzgHlZu1OgXMNfWl4fLYCThH5ZnqH8%2FZ6Dd0Qp52H2Hy8uTmWq6wL2b0nWrhGKAIF7Am%2FnMjJobng0R3fEQ4Xa8fu9mO18m%2Bpl4IYLVYT%2B4Y%2Fu5d4eNDkxHXLgsa9MPZWhrwLCgjhFP%2BjqBonxSSAg62aZcgrQw0%2BBDMNXnI9sWj8G6q09yq%2FB3xsgeYbHRXtD4H8dsc9oIjx2l3sl2LN6C0aZR1oaPTVUnSiCWUTkyRwTTFzemwskk8AqD3V03NcdY0DsqPqCc0OYUGFL0WrAp2V4%2F%2B5u2hEW6rp6EQjpHe3hfeKVZpwZDSWquu4fUOTGr78rkKobWinh7aZ39RQRpLHh5cLGpywlBgEccXppfhazgT0td3lIA6LieRGDL3Iz2K3PIJN45UteVmle%2BnIBpyJZyomDXLFmhbdNRDnQwIkrx4ZlUSZ0H4UNvUvRpdlSA41frDMrZTafplyzC4kbXVBjqwAdiKAT%2F7nUf04OnPIfg4aENZmqN5hXGzOI8HAvIJlAh6tfNhowvQsz7k4a0fn1s6%2Fp%2BcXk87%2B9t4QHbMap4YW9Kczj56NObPKZe7Eq3HHTs0R75T9gVV7an%2F0tXDjQZE%2Fhz8sXQDFNK4bc5J3Imee6odT8mYy%2BLHS%2FIDSClfyRkhaSXf0%2F0qjdAvCRQ2Qc44Twx5bV5meHv9u%2BVQ%2FusaUJW3Ud6tkkYM5MIiXvvyRmwo&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47UVFPX5ICM%2F20260918%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260918T145348Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=b3214a8975e0a5557b585a56971ba5d2c186edc7c32dd7597616c6b58592140b 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=IQoJb3JpZ2luX2VjEH8aCWV1LXdlc3QtMSJIMEYCIQCZiPUI5OJ2%2FHbYPoLymUIDnq0GlsKnWAuvDb2AafcM9gIhAJG1N%2BYhN0NydjhixUDI7w%2FSZWyyYgY9xU38Y511u824KrkFCEcQBRoMMjczNTcwMTk1NDMzIgzem8ZFzaESYtWfgA8qlgWA%2By5jnK51b2GUGqfw5gnU%2BTlLyU2O%2Fr8CqE1ugrIYbNd7D0cmZcpdo8nABbGSXs%2BS36XFZYK9wydLQv8lWYloeEDWmjxUDRAg4bfbAlVE9y05Ui17DP%2FpqcXpftyQqEmDDNUZ5TBEcqTvLC0GXIEhDsRR5UeUxoUQgydIm7MW5m67yaMbRz7UPzoKzdC5pa%2FqkwA257Qq7rUkpUNuEmGaKJY%2BPa1LEHoaXZQrmLEgtkgL9Ov39iw5WeS%2B0A4NB7BrDYO5EGoUc9OGmMLF2HVgjnOfaMxv8zYGqwQ9erX75O%2FSbcpwXBTAQFfsetXUjHotHvQVgH3fAleZ4FBoSRNerXh97OVA%2FodMq5gjHN2Yrlj8BoyTo4OT8zY9sIlJt81zdfYlLs%2Fi1xqp%2BYpzKs0ppJ6p6dPkpPj3dzgHlZu1OgXMNfWl4fLYCThH5ZnqH8%2FZ6Dd0Qp52H2Hy8uTmWq6wL2b0nWrhGKAIF7Am%2FnMjJobng0R3fEQ4Xa8fu9mO18m%2Bpl4IYLVYT%2B4Y%2Fu5d4eNDkxHXLgsa9MPZWhrwLCgjhFP%2BjqBonxSSAg62aZcgrQw0%2BBDMNXnI9sWj8G6q09yq%2FB3xsgeYbHRXtD4H8dsc9oIjx2l3sl2LN6C0aZR1oaPTVUnSiCWUTkyRwTTFzemwskk8AqD3V03NcdY0DsqPqCc0OYUGFL0WrAp2V4%2F%2B5u2hEW6rp6EQjpHe3hfeKVZpwZDSWquu4fUOTGr78rkKobWinh7aZ39RQRpLHh5cLGpywlBgEccXppfhazgT0td3lIA6LieRGDL3Iz2K3PIJN45UteVmle%2BnIBpyJZyomDXLFmhbdNRDnQwIkrx4ZlUSZ0H4UNvUvRpdlSA41frDMrZTafplyzC4kbXVBjqwAdiKAT%2F7nUf04OnPIfg4aENZmqN5hXGzOI8HAvIJlAh6tfNhowvQsz7k4a0fn1s6%2Fp%2BcXk87%2B9t4QHbMap4YW9Kczj56NObPKZe7Eq3HHTs0R75T9gVV7an%2F0tXDjQZE%2Fhz8sXQDFNK4bc5J3Imee6odT8mYy%2BLHS%2FIDSClfyRkhaSXf0%2F0qjdAvCRQ2Qc44Twx5bV5meHv9u%2BVQ%2FusaUJW3Ud6tkkYM5MIiXvvyRmwo&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47UVFPX5ICM%2F20260918%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260918T145348Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=368aa92febf4ac58ddebf058cc47bf22d70422c0ad6f6859e50675cc3075f5ac 768w\" sizes=\"(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=\"40\">a)<\/td>\n<td>\n<pre>iron(III)oxide<\/pre>\n<\/td>\n<td width=\"40\">b)<\/td>\n<td>\n<pre>lead(II)bromide<\/pre>\n<\/td>\n<td width=\"40\">c)<\/td>\n<td>\n<pre>vanadium(V)oxide<\/pre>\n<\/td>\n<\/tr>\n<tr>\n<td>d)<\/td>\n<td>\n<pre>silver(I)bromide<\/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>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 B \u00a0a) - f) above<\/span><\/strong><\/pre>\n<\/td>\n<td width=\"50\"><a href=\"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemskills\/marking-guide-revision-exercise-chemical-formula-using-roman-numerals\/\" target=\"_blank\" rel=\"noopener\"><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=\"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=IQoJb3JpZ2luX2VjEH8aCWV1LXdlc3QtMSJIMEYCIQCZiPUI5OJ2%2FHbYPoLymUIDnq0GlsKnWAuvDb2AafcM9gIhAJG1N%2BYhN0NydjhixUDI7w%2FSZWyyYgY9xU38Y511u824KrkFCEcQBRoMMjczNTcwMTk1NDMzIgzem8ZFzaESYtWfgA8qlgWA%2By5jnK51b2GUGqfw5gnU%2BTlLyU2O%2Fr8CqE1ugrIYbNd7D0cmZcpdo8nABbGSXs%2BS36XFZYK9wydLQv8lWYloeEDWmjxUDRAg4bfbAlVE9y05Ui17DP%2FpqcXpftyQqEmDDNUZ5TBEcqTvLC0GXIEhDsRR5UeUxoUQgydIm7MW5m67yaMbRz7UPzoKzdC5pa%2FqkwA257Qq7rUkpUNuEmGaKJY%2BPa1LEHoaXZQrmLEgtkgL9Ov39iw5WeS%2B0A4NB7BrDYO5EGoUc9OGmMLF2HVgjnOfaMxv8zYGqwQ9erX75O%2FSbcpwXBTAQFfsetXUjHotHvQVgH3fAleZ4FBoSRNerXh97OVA%2FodMq5gjHN2Yrlj8BoyTo4OT8zY9sIlJt81zdfYlLs%2Fi1xqp%2BYpzKs0ppJ6p6dPkpPj3dzgHlZu1OgXMNfWl4fLYCThH5ZnqH8%2FZ6Dd0Qp52H2Hy8uTmWq6wL2b0nWrhGKAIF7Am%2FnMjJobng0R3fEQ4Xa8fu9mO18m%2Bpl4IYLVYT%2B4Y%2Fu5d4eNDkxHXLgsa9MPZWhrwLCgjhFP%2BjqBonxSSAg62aZcgrQw0%2BBDMNXnI9sWj8G6q09yq%2FB3xsgeYbHRXtD4H8dsc9oIjx2l3sl2LN6C0aZR1oaPTVUnSiCWUTkyRwTTFzemwskk8AqD3V03NcdY0DsqPqCc0OYUGFL0WrAp2V4%2F%2B5u2hEW6rp6EQjpHe3hfeKVZpwZDSWquu4fUOTGr78rkKobWinh7aZ39RQRpLHh5cLGpywlBgEccXppfhazgT0td3lIA6LieRGDL3Iz2K3PIJN45UteVmle%2BnIBpyJZyomDXLFmhbdNRDnQwIkrx4ZlUSZ0H4UNvUvRpdlSA41frDMrZTafplyzC4kbXVBjqwAdiKAT%2F7nUf04OnPIfg4aENZmqN5hXGzOI8HAvIJlAh6tfNhowvQsz7k4a0fn1s6%2Fp%2BcXk87%2B9t4QHbMap4YW9Kczj56NObPKZe7Eq3HHTs0R75T9gVV7an%2F0tXDjQZE%2Fhz8sXQDFNK4bc5J3Imee6odT8mYy%2BLHS%2FIDSClfyRkhaSXf0%2F0qjdAvCRQ2Qc44Twx5bV5meHv9u%2BVQ%2FusaUJW3Ud6tkkYM5MIiXvvyRmwo&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47UVFPX5ICM%2F20260918%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260918T145348Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=b3214a8975e0a5557b585a56971ba5d2c186edc7c32dd7597616c6b58592140b 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=IQoJb3JpZ2luX2VjEH8aCWV1LXdlc3QtMSJIMEYCIQCZiPUI5OJ2%2FHbYPoLymUIDnq0GlsKnWAuvDb2AafcM9gIhAJG1N%2BYhN0NydjhixUDI7w%2FSZWyyYgY9xU38Y511u824KrkFCEcQBRoMMjczNTcwMTk1NDMzIgzem8ZFzaESYtWfgA8qlgWA%2By5jnK51b2GUGqfw5gnU%2BTlLyU2O%2Fr8CqE1ugrIYbNd7D0cmZcpdo8nABbGSXs%2BS36XFZYK9wydLQv8lWYloeEDWmjxUDRAg4bfbAlVE9y05Ui17DP%2FpqcXpftyQqEmDDNUZ5TBEcqTvLC0GXIEhDsRR5UeUxoUQgydIm7MW5m67yaMbRz7UPzoKzdC5pa%2FqkwA257Qq7rUkpUNuEmGaKJY%2BPa1LEHoaXZQrmLEgtkgL9Ov39iw5WeS%2B0A4NB7BrDYO5EGoUc9OGmMLF2HVgjnOfaMxv8zYGqwQ9erX75O%2FSbcpwXBTAQFfsetXUjHotHvQVgH3fAleZ4FBoSRNerXh97OVA%2FodMq5gjHN2Yrlj8BoyTo4OT8zY9sIlJt81zdfYlLs%2Fi1xqp%2BYpzKs0ppJ6p6dPkpPj3dzgHlZu1OgXMNfWl4fLYCThH5ZnqH8%2FZ6Dd0Qp52H2Hy8uTmWq6wL2b0nWrhGKAIF7Am%2FnMjJobng0R3fEQ4Xa8fu9mO18m%2Bpl4IYLVYT%2B4Y%2Fu5d4eNDkxHXLgsa9MPZWhrwLCgjhFP%2BjqBonxSSAg62aZcgrQw0%2BBDMNXnI9sWj8G6q09yq%2FB3xsgeYbHRXtD4H8dsc9oIjx2l3sl2LN6C0aZR1oaPTVUnSiCWUTkyRwTTFzemwskk8AqD3V03NcdY0DsqPqCc0OYUGFL0WrAp2V4%2F%2B5u2hEW6rp6EQjpHe3hfeKVZpwZDSWquu4fUOTGr78rkKobWinh7aZ39RQRpLHh5cLGpywlBgEccXppfhazgT0td3lIA6LieRGDL3Iz2K3PIJN45UteVmle%2BnIBpyJZyomDXLFmhbdNRDnQwIkrx4ZlUSZ0H4UNvUvRpdlSA41frDMrZTafplyzC4kbXVBjqwAdiKAT%2F7nUf04OnPIfg4aENZmqN5hXGzOI8HAvIJlAh6tfNhowvQsz7k4a0fn1s6%2Fp%2BcXk87%2B9t4QHbMap4YW9Kczj56NObPKZe7Eq3HHTs0R75T9gVV7an%2F0tXDjQZE%2Fhz8sXQDFNK4bc5J3Imee6odT8mYy%2BLHS%2FIDSClfyRkhaSXf0%2F0qjdAvCRQ2Qc44Twx5bV5meHv9u%2BVQ%2FusaUJW3Ud6tkkYM5MIiXvvyRmwo&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47UVFPX5ICM%2F20260918%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260918T145348Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=368aa92febf4ac58ddebf058cc47bf22d70422c0ad6f6859e50675cc3075f5ac 768w\" sizes=\"(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=\"40\">a)<\/td>\n<td>\n<pre>iron(III)chloride<\/pre>\n<\/td>\n<td width=\"40\">b)<\/td>\n<td>\n<pre>copper(I)bromide<\/pre>\n<\/td>\n<td width=\"40\">c)<\/td>\n<td>\n<pre>copper(I)chloride<\/pre>\n<\/td>\n<\/tr>\n<tr>\n<td>d)<\/td>\n<td>\n<pre>copper(II)bromide<\/pre>\n<\/td>\n<td>e)<\/td>\n<td>\n<pre>iron(II)oxide<\/pre>\n<\/td>\n<td>f)<\/td>\n<td>\n<pre>zinc(II)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 C \u00a0a) - f) above<\/span><\/strong><\/pre>\n<\/td>\n<td width=\"50\"><a href=\"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemskills\/marking-guide-revision-exercise-chemical-formula-using-roman-numerals\/\" target=\"_blank\" rel=\"noopener\"><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=\"821\" height=\"1024\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2019\/04\/Big-Tick.png 821w, 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768w\" sizes=\"(max-width: 821px) 85vw, 821px\" \/><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<pre><strong><span style=\"color: #008000\">Roman Numerals with Complex Ions<\/span><\/strong><\/pre>\n<pre><strong><span style=\"color: #ff0000\">SET D<\/span><\/strong><\/pre>\n<table>\n<tbody>\n<tr>\n<td width=\"40\">a)<\/td>\n<td>\n<pre>iron(II)hydroxide<\/pre>\n<\/td>\n<td width=\"40\">b)<\/td>\n<td>\n<pre>copper(II)hydroxide<\/pre>\n<\/td>\n<td width=\"40\">c)<\/td>\n<td>\n<pre>zinc(II)nitrate<\/pre>\n<\/td>\n<\/tr>\n<tr>\n<td>d)<\/td>\n<td>\n<pre>copper(II)thiosulfate<\/pre>\n<\/td>\n<td>e)<\/td>\n<td>\n<pre>lead(II)nitrate<\/pre>\n<\/td>\n<td>f)<\/td>\n<td>\n<pre>silver(I)nitrate<\/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 D \u00a0a) - f) above<\/span><\/strong><\/pre>\n<\/td>\n<td width=\"50\"><a href=\"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemskills\/marking-guide-revision-exercise-chemical-formula-using-roman-numerals\/\" target=\"_blank\" rel=\"noopener\"><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=\"821\" height=\"1024\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/n5chemskills\/uploads\/sites\/5582\/2019\/04\/Big-Tick.png 821w, 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768w\" sizes=\"(max-width: 821px) 85vw, 821px\" \/><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>Write chemical formulae for the following compounds SET A a) copper(II)sulfide b) copper(I) oxide c) iron(II)chloride d) tin(IV)oxide e) iron(III)sulfide f) copper(II)oxide Marking Guide for Questions \u00a0Set A \u00a0a) &#8211; f) above SET B a) iron(III)oxide b) lead(II)bromide c) vanadium(V)oxide d) silver(I)bromide e) niobium (IV)chloride f) zinc(I)sulfide Marking Guide for Questions \u00a0Set B \u00a0a) &#8211; &hellip; <a href=\"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemskills\/chemical-formula-roman-numerals-revision\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Revision Exercise &#8211; Chemical Formula using Roman Numerals&#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-11","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemskills\/wp-json\/wp\/v2\/pages\/11","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=11"}],"version-history":[{"count":37,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemskills\/wp-json\/wp\/v2\/pages\/11\/revisions"}],"predecessor-version":[{"id":2564,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemskills\/wp-json\/wp\/v2\/pages\/11\/revisions\/2564"}],"wp:attachment":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemskills\/wp-json\/wp\/v2\/media?parent=11"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}