{"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 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=IQoJb3JpZ2luX2VjENz%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIQDxTwKq0GP2K1Pxdq9HrFxL%2Fqef8xAea8LTSWdDkK2qtAIgJt6Z4lUtyNsnnc8S8cO8GZvAB090AjtMluYEMTWzAykqwgUIpf%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDBm9T194CFuP%2Bla8dSqWBZeEgdmqFzv6vLd7yK6BAImh9nltxhEHF7%2BshJXA4C262O7%2F6TWD2zuVf0%2BUzOFUo4OQ%2BWaKhL0QQc6xS2z4KGKkIw6MZSAzCin6ZFmKeDBuXjjFJuxpo%2B%2FGu8dntyStaSxp8Fi60cQ7OKu3y1%2Bp%2FrkVuKyFh99fkWHl8qavtl6icMjXxEza0Uju4qgSag3HoIFL7i%2FXRLRHqZTzkzKD3IZ%2Ft3e%2FOTPL6uzJSEkhOAu9BM6OGh6brZczKA56qR%2F4QlKV4LRjWNfsRejVgwweGgUL04saQYtXujFsqOpDfZJ93eREbjdbzCGoxKUtCrU6p7ZKu1%2Fk%2Bt59TLAaWXDer5%2B0mvGj1nyvL%2BjRmiLomf9fGdM%2B9PT9zT1yFiLP%2B2zU2rdVV8v20E1H0SbP2MnO4qv3CApduBGTL7SXiJPSo3Ds%2BV8PLqpW1ryH6yBTzUlLjnJSXzbvLlqq56VZFnb8OhIMBQtKUa6cjLLrEXjxpCvh%2FREDNNwEaT5%2FiiPH1pZESehv8%2BlDQcKo6QpB3WJGAevCb6eq8c7eSZxIrBsaJtxPjSwdBF0W%2FZETOdZyr9%2BCvx3i6bVoPC4HqrPVdz%2FHMss2O1bxwQRQSYbeF7HUIDsvzsz6JST66e1nv63AvC1MI3j0rp96wjeq6ar5Q85d0ghttaVVYKLpvaBmtsdJlza0rA%2FCyyhIi4XvzsXRobGgTzWg6tFGfbSK00yITgbNMe76wgNTjLGYXgDMkNzJKs8SgbPpKXywYbuEYUEN3eLXDgyfKBRiuqQFGvZfLXrrXauNg62h0Bj3g4d9Y9fRW1BJPkhTtg9Hvg4J7cn9pTMA3lzjpXcZDTlZ9wwEy6HemRdtURdt4N0csuS4zRVnHss1eImLH7%2F7MJTgptAGOrEBIOmZXaknHr9YJRzW2C7nT%2F4bymrSFeni3n2vo%2B6fiXAyxJIYDH9Ryyh9Nw4ydpcGhIfrTtxMxNxQYZatq4M9dvJNqalCZjcj6gVntjrnXvFbk6xQos4T7pSAu30WLW2C%2FG2zlPLzZ62dKNL8tZQApKRJy%2BzyG6YV4LtsD7PDblanv58uYCg1m4UcT0ul5K6uMzRx1sTbaRBIddlKlx2Z7MOwhLQvn9hMXOcW7KIeVoGO&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47UVEXWV3UW%2F20260517%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260517T124352Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=d168f977318b7efb256b416541a9e73d8c21229879f8e305f32c6d02ead4e7b3 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=IQoJb3JpZ2luX2VjENz%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIQDxTwKq0GP2K1Pxdq9HrFxL%2Fqef8xAea8LTSWdDkK2qtAIgJt6Z4lUtyNsnnc8S8cO8GZvAB090AjtMluYEMTWzAykqwgUIpf%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDBm9T194CFuP%2Bla8dSqWBZeEgdmqFzv6vLd7yK6BAImh9nltxhEHF7%2BshJXA4C262O7%2F6TWD2zuVf0%2BUzOFUo4OQ%2BWaKhL0QQc6xS2z4KGKkIw6MZSAzCin6ZFmKeDBuXjjFJuxpo%2B%2FGu8dntyStaSxp8Fi60cQ7OKu3y1%2Bp%2FrkVuKyFh99fkWHl8qavtl6icMjXxEza0Uju4qgSag3HoIFL7i%2FXRLRHqZTzkzKD3IZ%2Ft3e%2FOTPL6uzJSEkhOAu9BM6OGh6brZczKA56qR%2F4QlKV4LRjWNfsRejVgwweGgUL04saQYtXujFsqOpDfZJ93eREbjdbzCGoxKUtCrU6p7ZKu1%2Fk%2Bt59TLAaWXDer5%2B0mvGj1nyvL%2BjRmiLomf9fGdM%2B9PT9zT1yFiLP%2B2zU2rdVV8v20E1H0SbP2MnO4qv3CApduBGTL7SXiJPSo3Ds%2BV8PLqpW1ryH6yBTzUlLjnJSXzbvLlqq56VZFnb8OhIMBQtKUa6cjLLrEXjxpCvh%2FREDNNwEaT5%2FiiPH1pZESehv8%2BlDQcKo6QpB3WJGAevCb6eq8c7eSZxIrBsaJtxPjSwdBF0W%2FZETOdZyr9%2BCvx3i6bVoPC4HqrPVdz%2FHMss2O1bxwQRQSYbeF7HUIDsvzsz6JST66e1nv63AvC1MI3j0rp96wjeq6ar5Q85d0ghttaVVYKLpvaBmtsdJlza0rA%2FCyyhIi4XvzsXRobGgTzWg6tFGfbSK00yITgbNMe76wgNTjLGYXgDMkNzJKs8SgbPpKXywYbuEYUEN3eLXDgyfKBRiuqQFGvZfLXrrXauNg62h0Bj3g4d9Y9fRW1BJPkhTtg9Hvg4J7cn9pTMA3lzjpXcZDTlZ9wwEy6HemRdtURdt4N0csuS4zRVnHss1eImLH7%2F7MJTgptAGOrEBIOmZXaknHr9YJRzW2C7nT%2F4bymrSFeni3n2vo%2B6fiXAyxJIYDH9Ryyh9Nw4ydpcGhIfrTtxMxNxQYZatq4M9dvJNqalCZjcj6gVntjrnXvFbk6xQos4T7pSAu30WLW2C%2FG2zlPLzZ62dKNL8tZQApKRJy%2BzyG6YV4LtsD7PDblanv58uYCg1m4UcT0ul5K6uMzRx1sTbaRBIddlKlx2Z7MOwhLQvn9hMXOcW7KIeVoGO&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47UVEXWV3UW%2F20260517%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260517T124352Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=9a3d94e37622d1c4b7d3eba723d83d90aabfc93f446f241544ef3814396fb13a 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=\"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 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=IQoJb3JpZ2luX2VjENz%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIQDxTwKq0GP2K1Pxdq9HrFxL%2Fqef8xAea8LTSWdDkK2qtAIgJt6Z4lUtyNsnnc8S8cO8GZvAB090AjtMluYEMTWzAykqwgUIpf%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDBm9T194CFuP%2Bla8dSqWBZeEgdmqFzv6vLd7yK6BAImh9nltxhEHF7%2BshJXA4C262O7%2F6TWD2zuVf0%2BUzOFUo4OQ%2BWaKhL0QQc6xS2z4KGKkIw6MZSAzCin6ZFmKeDBuXjjFJuxpo%2B%2FGu8dntyStaSxp8Fi60cQ7OKu3y1%2Bp%2FrkVuKyFh99fkWHl8qavtl6icMjXxEza0Uju4qgSag3HoIFL7i%2FXRLRHqZTzkzKD3IZ%2Ft3e%2FOTPL6uzJSEkhOAu9BM6OGh6brZczKA56qR%2F4QlKV4LRjWNfsRejVgwweGgUL04saQYtXujFsqOpDfZJ93eREbjdbzCGoxKUtCrU6p7ZKu1%2Fk%2Bt59TLAaWXDer5%2B0mvGj1nyvL%2BjRmiLomf9fGdM%2B9PT9zT1yFiLP%2B2zU2rdVV8v20E1H0SbP2MnO4qv3CApduBGTL7SXiJPSo3Ds%2BV8PLqpW1ryH6yBTzUlLjnJSXzbvLlqq56VZFnb8OhIMBQtKUa6cjLLrEXjxpCvh%2FREDNNwEaT5%2FiiPH1pZESehv8%2BlDQcKo6QpB3WJGAevCb6eq8c7eSZxIrBsaJtxPjSwdBF0W%2FZETOdZyr9%2BCvx3i6bVoPC4HqrPVdz%2FHMss2O1bxwQRQSYbeF7HUIDsvzsz6JST66e1nv63AvC1MI3j0rp96wjeq6ar5Q85d0ghttaVVYKLpvaBmtsdJlza0rA%2FCyyhIi4XvzsXRobGgTzWg6tFGfbSK00yITgbNMe76wgNTjLGYXgDMkNzJKs8SgbPpKXywYbuEYUEN3eLXDgyfKBRiuqQFGvZfLXrrXauNg62h0Bj3g4d9Y9fRW1BJPkhTtg9Hvg4J7cn9pTMA3lzjpXcZDTlZ9wwEy6HemRdtURdt4N0csuS4zRVnHss1eImLH7%2F7MJTgptAGOrEBIOmZXaknHr9YJRzW2C7nT%2F4bymrSFeni3n2vo%2B6fiXAyxJIYDH9Ryyh9Nw4ydpcGhIfrTtxMxNxQYZatq4M9dvJNqalCZjcj6gVntjrnXvFbk6xQos4T7pSAu30WLW2C%2FG2zlPLzZ62dKNL8tZQApKRJy%2BzyG6YV4LtsD7PDblanv58uYCg1m4UcT0ul5K6uMzRx1sTbaRBIddlKlx2Z7MOwhLQvn9hMXOcW7KIeVoGO&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47UVEXWV3UW%2F20260517%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260517T124352Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=d168f977318b7efb256b416541a9e73d8c21229879f8e305f32c6d02ead4e7b3 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=IQoJb3JpZ2luX2VjENz%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIQDxTwKq0GP2K1Pxdq9HrFxL%2Fqef8xAea8LTSWdDkK2qtAIgJt6Z4lUtyNsnnc8S8cO8GZvAB090AjtMluYEMTWzAykqwgUIpf%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDBm9T194CFuP%2Bla8dSqWBZeEgdmqFzv6vLd7yK6BAImh9nltxhEHF7%2BshJXA4C262O7%2F6TWD2zuVf0%2BUzOFUo4OQ%2BWaKhL0QQc6xS2z4KGKkIw6MZSAzCin6ZFmKeDBuXjjFJuxpo%2B%2FGu8dntyStaSxp8Fi60cQ7OKu3y1%2Bp%2FrkVuKyFh99fkWHl8qavtl6icMjXxEza0Uju4qgSag3HoIFL7i%2FXRLRHqZTzkzKD3IZ%2Ft3e%2FOTPL6uzJSEkhOAu9BM6OGh6brZczKA56qR%2F4QlKV4LRjWNfsRejVgwweGgUL04saQYtXujFsqOpDfZJ93eREbjdbzCGoxKUtCrU6p7ZKu1%2Fk%2Bt59TLAaWXDer5%2B0mvGj1nyvL%2BjRmiLomf9fGdM%2B9PT9zT1yFiLP%2B2zU2rdVV8v20E1H0SbP2MnO4qv3CApduBGTL7SXiJPSo3Ds%2BV8PLqpW1ryH6yBTzUlLjnJSXzbvLlqq56VZFnb8OhIMBQtKUa6cjLLrEXjxpCvh%2FREDNNwEaT5%2FiiPH1pZESehv8%2BlDQcKo6QpB3WJGAevCb6eq8c7eSZxIrBsaJtxPjSwdBF0W%2FZETOdZyr9%2BCvx3i6bVoPC4HqrPVdz%2FHMss2O1bxwQRQSYbeF7HUIDsvzsz6JST66e1nv63AvC1MI3j0rp96wjeq6ar5Q85d0ghttaVVYKLpvaBmtsdJlza0rA%2FCyyhIi4XvzsXRobGgTzWg6tFGfbSK00yITgbNMe76wgNTjLGYXgDMkNzJKs8SgbPpKXywYbuEYUEN3eLXDgyfKBRiuqQFGvZfLXrrXauNg62h0Bj3g4d9Y9fRW1BJPkhTtg9Hvg4J7cn9pTMA3lzjpXcZDTlZ9wwEy6HemRdtURdt4N0csuS4zRVnHss1eImLH7%2F7MJTgptAGOrEBIOmZXaknHr9YJRzW2C7nT%2F4bymrSFeni3n2vo%2B6fiXAyxJIYDH9Ryyh9Nw4ydpcGhIfrTtxMxNxQYZatq4M9dvJNqalCZjcj6gVntjrnXvFbk6xQos4T7pSAu30WLW2C%2FG2zlPLzZ62dKNL8tZQApKRJy%2BzyG6YV4LtsD7PDblanv58uYCg1m4UcT0ul5K6uMzRx1sTbaRBIddlKlx2Z7MOwhLQvn9hMXOcW7KIeVoGO&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47UVEXWV3UW%2F20260517%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260517T124352Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=9a3d94e37622d1c4b7d3eba723d83d90aabfc93f446f241544ef3814396fb13a 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=\"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 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=IQoJb3JpZ2luX2VjENz%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIQDxTwKq0GP2K1Pxdq9HrFxL%2Fqef8xAea8LTSWdDkK2qtAIgJt6Z4lUtyNsnnc8S8cO8GZvAB090AjtMluYEMTWzAykqwgUIpf%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDBm9T194CFuP%2Bla8dSqWBZeEgdmqFzv6vLd7yK6BAImh9nltxhEHF7%2BshJXA4C262O7%2F6TWD2zuVf0%2BUzOFUo4OQ%2BWaKhL0QQc6xS2z4KGKkIw6MZSAzCin6ZFmKeDBuXjjFJuxpo%2B%2FGu8dntyStaSxp8Fi60cQ7OKu3y1%2Bp%2FrkVuKyFh99fkWHl8qavtl6icMjXxEza0Uju4qgSag3HoIFL7i%2FXRLRHqZTzkzKD3IZ%2Ft3e%2FOTPL6uzJSEkhOAu9BM6OGh6brZczKA56qR%2F4QlKV4LRjWNfsRejVgwweGgUL04saQYtXujFsqOpDfZJ93eREbjdbzCGoxKUtCrU6p7ZKu1%2Fk%2Bt59TLAaWXDer5%2B0mvGj1nyvL%2BjRmiLomf9fGdM%2B9PT9zT1yFiLP%2B2zU2rdVV8v20E1H0SbP2MnO4qv3CApduBGTL7SXiJPSo3Ds%2BV8PLqpW1ryH6yBTzUlLjnJSXzbvLlqq56VZFnb8OhIMBQtKUa6cjLLrEXjxpCvh%2FREDNNwEaT5%2FiiPH1pZESehv8%2BlDQcKo6QpB3WJGAevCb6eq8c7eSZxIrBsaJtxPjSwdBF0W%2FZETOdZyr9%2BCvx3i6bVoPC4HqrPVdz%2FHMss2O1bxwQRQSYbeF7HUIDsvzsz6JST66e1nv63AvC1MI3j0rp96wjeq6ar5Q85d0ghttaVVYKLpvaBmtsdJlza0rA%2FCyyhIi4XvzsXRobGgTzWg6tFGfbSK00yITgbNMe76wgNTjLGYXgDMkNzJKs8SgbPpKXywYbuEYUEN3eLXDgyfKBRiuqQFGvZfLXrrXauNg62h0Bj3g4d9Y9fRW1BJPkhTtg9Hvg4J7cn9pTMA3lzjpXcZDTlZ9wwEy6HemRdtURdt4N0csuS4zRVnHss1eImLH7%2F7MJTgptAGOrEBIOmZXaknHr9YJRzW2C7nT%2F4bymrSFeni3n2vo%2B6fiXAyxJIYDH9Ryyh9Nw4ydpcGhIfrTtxMxNxQYZatq4M9dvJNqalCZjcj6gVntjrnXvFbk6xQos4T7pSAu30WLW2C%2FG2zlPLzZ62dKNL8tZQApKRJy%2BzyG6YV4LtsD7PDblanv58uYCg1m4UcT0ul5K6uMzRx1sTbaRBIddlKlx2Z7MOwhLQvn9hMXOcW7KIeVoGO&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47UVEXWV3UW%2F20260517%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260517T124352Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=d168f977318b7efb256b416541a9e73d8c21229879f8e305f32c6d02ead4e7b3 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=IQoJb3JpZ2luX2VjENz%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIQDxTwKq0GP2K1Pxdq9HrFxL%2Fqef8xAea8LTSWdDkK2qtAIgJt6Z4lUtyNsnnc8S8cO8GZvAB090AjtMluYEMTWzAykqwgUIpf%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDBm9T194CFuP%2Bla8dSqWBZeEgdmqFzv6vLd7yK6BAImh9nltxhEHF7%2BshJXA4C262O7%2F6TWD2zuVf0%2BUzOFUo4OQ%2BWaKhL0QQc6xS2z4KGKkIw6MZSAzCin6ZFmKeDBuXjjFJuxpo%2B%2FGu8dntyStaSxp8Fi60cQ7OKu3y1%2Bp%2FrkVuKyFh99fkWHl8qavtl6icMjXxEza0Uju4qgSag3HoIFL7i%2FXRLRHqZTzkzKD3IZ%2Ft3e%2FOTPL6uzJSEkhOAu9BM6OGh6brZczKA56qR%2F4QlKV4LRjWNfsRejVgwweGgUL04saQYtXujFsqOpDfZJ93eREbjdbzCGoxKUtCrU6p7ZKu1%2Fk%2Bt59TLAaWXDer5%2B0mvGj1nyvL%2BjRmiLomf9fGdM%2B9PT9zT1yFiLP%2B2zU2rdVV8v20E1H0SbP2MnO4qv3CApduBGTL7SXiJPSo3Ds%2BV8PLqpW1ryH6yBTzUlLjnJSXzbvLlqq56VZFnb8OhIMBQtKUa6cjLLrEXjxpCvh%2FREDNNwEaT5%2FiiPH1pZESehv8%2BlDQcKo6QpB3WJGAevCb6eq8c7eSZxIrBsaJtxPjSwdBF0W%2FZETOdZyr9%2BCvx3i6bVoPC4HqrPVdz%2FHMss2O1bxwQRQSYbeF7HUIDsvzsz6JST66e1nv63AvC1MI3j0rp96wjeq6ar5Q85d0ghttaVVYKLpvaBmtsdJlza0rA%2FCyyhIi4XvzsXRobGgTzWg6tFGfbSK00yITgbNMe76wgNTjLGYXgDMkNzJKs8SgbPpKXywYbuEYUEN3eLXDgyfKBRiuqQFGvZfLXrrXauNg62h0Bj3g4d9Y9fRW1BJPkhTtg9Hvg4J7cn9pTMA3lzjpXcZDTlZ9wwEy6HemRdtURdt4N0csuS4zRVnHss1eImLH7%2F7MJTgptAGOrEBIOmZXaknHr9YJRzW2C7nT%2F4bymrSFeni3n2vo%2B6fiXAyxJIYDH9Ryyh9Nw4ydpcGhIfrTtxMxNxQYZatq4M9dvJNqalCZjcj6gVntjrnXvFbk6xQos4T7pSAu30WLW2C%2FG2zlPLzZ62dKNL8tZQApKRJy%2BzyG6YV4LtsD7PDblanv58uYCg1m4UcT0ul5K6uMzRx1sTbaRBIddlKlx2Z7MOwhLQvn9hMXOcW7KIeVoGO&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47UVEXWV3UW%2F20260517%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260517T124352Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=9a3d94e37622d1c4b7d3eba723d83d90aabfc93f446f241544ef3814396fb13a 768w\" sizes=\"auto, (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 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=IQoJb3JpZ2luX2VjENz%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIQDxTwKq0GP2K1Pxdq9HrFxL%2Fqef8xAea8LTSWdDkK2qtAIgJt6Z4lUtyNsnnc8S8cO8GZvAB090AjtMluYEMTWzAykqwgUIpf%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDBm9T194CFuP%2Bla8dSqWBZeEgdmqFzv6vLd7yK6BAImh9nltxhEHF7%2BshJXA4C262O7%2F6TWD2zuVf0%2BUzOFUo4OQ%2BWaKhL0QQc6xS2z4KGKkIw6MZSAzCin6ZFmKeDBuXjjFJuxpo%2B%2FGu8dntyStaSxp8Fi60cQ7OKu3y1%2Bp%2FrkVuKyFh99fkWHl8qavtl6icMjXxEza0Uju4qgSag3HoIFL7i%2FXRLRHqZTzkzKD3IZ%2Ft3e%2FOTPL6uzJSEkhOAu9BM6OGh6brZczKA56qR%2F4QlKV4LRjWNfsRejVgwweGgUL04saQYtXujFsqOpDfZJ93eREbjdbzCGoxKUtCrU6p7ZKu1%2Fk%2Bt59TLAaWXDer5%2B0mvGj1nyvL%2BjRmiLomf9fGdM%2B9PT9zT1yFiLP%2B2zU2rdVV8v20E1H0SbP2MnO4qv3CApduBGTL7SXiJPSo3Ds%2BV8PLqpW1ryH6yBTzUlLjnJSXzbvLlqq56VZFnb8OhIMBQtKUa6cjLLrEXjxpCvh%2FREDNNwEaT5%2FiiPH1pZESehv8%2BlDQcKo6QpB3WJGAevCb6eq8c7eSZxIrBsaJtxPjSwdBF0W%2FZETOdZyr9%2BCvx3i6bVoPC4HqrPVdz%2FHMss2O1bxwQRQSYbeF7HUIDsvzsz6JST66e1nv63AvC1MI3j0rp96wjeq6ar5Q85d0ghttaVVYKLpvaBmtsdJlza0rA%2FCyyhIi4XvzsXRobGgTzWg6tFGfbSK00yITgbNMe76wgNTjLGYXgDMkNzJKs8SgbPpKXywYbuEYUEN3eLXDgyfKBRiuqQFGvZfLXrrXauNg62h0Bj3g4d9Y9fRW1BJPkhTtg9Hvg4J7cn9pTMA3lzjpXcZDTlZ9wwEy6HemRdtURdt4N0csuS4zRVnHss1eImLH7%2F7MJTgptAGOrEBIOmZXaknHr9YJRzW2C7nT%2F4bymrSFeni3n2vo%2B6fiXAyxJIYDH9Ryyh9Nw4ydpcGhIfrTtxMxNxQYZatq4M9dvJNqalCZjcj6gVntjrnXvFbk6xQos4T7pSAu30WLW2C%2FG2zlPLzZ62dKNL8tZQApKRJy%2BzyG6YV4LtsD7PDblanv58uYCg1m4UcT0ul5K6uMzRx1sTbaRBIddlKlx2Z7MOwhLQvn9hMXOcW7KIeVoGO&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47UVEXWV3UW%2F20260517%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260517T124352Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=d168f977318b7efb256b416541a9e73d8c21229879f8e305f32c6d02ead4e7b3 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=IQoJb3JpZ2luX2VjENz%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIQDxTwKq0GP2K1Pxdq9HrFxL%2Fqef8xAea8LTSWdDkK2qtAIgJt6Z4lUtyNsnnc8S8cO8GZvAB090AjtMluYEMTWzAykqwgUIpf%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAFGgwyNzM1NzAxOTU0MzMiDBm9T194CFuP%2Bla8dSqWBZeEgdmqFzv6vLd7yK6BAImh9nltxhEHF7%2BshJXA4C262O7%2F6TWD2zuVf0%2BUzOFUo4OQ%2BWaKhL0QQc6xS2z4KGKkIw6MZSAzCin6ZFmKeDBuXjjFJuxpo%2B%2FGu8dntyStaSxp8Fi60cQ7OKu3y1%2Bp%2FrkVuKyFh99fkWHl8qavtl6icMjXxEza0Uju4qgSag3HoIFL7i%2FXRLRHqZTzkzKD3IZ%2Ft3e%2FOTPL6uzJSEkhOAu9BM6OGh6brZczKA56qR%2F4QlKV4LRjWNfsRejVgwweGgUL04saQYtXujFsqOpDfZJ93eREbjdbzCGoxKUtCrU6p7ZKu1%2Fk%2Bt59TLAaWXDer5%2B0mvGj1nyvL%2BjRmiLomf9fGdM%2B9PT9zT1yFiLP%2B2zU2rdVV8v20E1H0SbP2MnO4qv3CApduBGTL7SXiJPSo3Ds%2BV8PLqpW1ryH6yBTzUlLjnJSXzbvLlqq56VZFnb8OhIMBQtKUa6cjLLrEXjxpCvh%2FREDNNwEaT5%2FiiPH1pZESehv8%2BlDQcKo6QpB3WJGAevCb6eq8c7eSZxIrBsaJtxPjSwdBF0W%2FZETOdZyr9%2BCvx3i6bVoPC4HqrPVdz%2FHMss2O1bxwQRQSYbeF7HUIDsvzsz6JST66e1nv63AvC1MI3j0rp96wjeq6ar5Q85d0ghttaVVYKLpvaBmtsdJlza0rA%2FCyyhIi4XvzsXRobGgTzWg6tFGfbSK00yITgbNMe76wgNTjLGYXgDMkNzJKs8SgbPpKXywYbuEYUEN3eLXDgyfKBRiuqQFGvZfLXrrXauNg62h0Bj3g4d9Y9fRW1BJPkhTtg9Hvg4J7cn9pTMA3lzjpXcZDTlZ9wwEy6HemRdtURdt4N0csuS4zRVnHss1eImLH7%2F7MJTgptAGOrEBIOmZXaknHr9YJRzW2C7nT%2F4bymrSFeni3n2vo%2B6fiXAyxJIYDH9Ryyh9Nw4ydpcGhIfrTtxMxNxQYZatq4M9dvJNqalCZjcj6gVntjrnXvFbk6xQos4T7pSAu30WLW2C%2FG2zlPLzZ62dKNL8tZQApKRJy%2BzyG6YV4LtsD7PDblanv58uYCg1m4UcT0ul5K6uMzRx1sTbaRBIddlKlx2Z7MOwhLQvn9hMXOcW7KIeVoGO&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47UVEXWV3UW%2F20260517%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260517T124352Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=9a3d94e37622d1c4b7d3eba723d83d90aabfc93f446f241544ef3814396fb13a 768w\" sizes=\"auto, (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}]}}