{"id":2,"date":"2022-07-27T10:09:26","date_gmt":"2022-07-27T09:09:26","guid":{"rendered":"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemformulae\/?page_id=2"},"modified":"2022-10-27T21:28:15","modified_gmt":"2022-10-27T20:28:15","slug":"sample-page","status":"publish","type":"page","link":"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemformulae\/","title":{"rendered":"Chemical Formulae"},"content":{"rendered":"<p><strong>The following links offer some useful revision to support your learning:<\/strong><\/p>\n<p><a href=\"https:\/\/www.bbc.co.uk\/bitesize\/guides\/zqrxsbk\/revision\/1\">BBC Bitesize &#8211; Chemical Formulae<\/a><\/p>\n<p><a href=\"https:\/\/clickv.ie\/w\/v1_t\">West OS &#8211; Writing Formula for Covalent Molecular Compounds<\/a><\/p>\n<p><a href=\"https:\/\/clickv.ie\/w\/x1_t\">West OS &#8211; Writing Ionic Formulae Part 1<\/a><\/p>\n<p><a href=\"https:\/\/clickv.ie\/w\/y1_t\">West OS &#8211; Writing Ionic Formulae Part 2 (Group Ions)<\/a><\/p>\n<p><a href=\"https:\/\/www.youtube.com\/watch?v=9JkHs6FSOc8\">Miss Adams &#8211; Chemical Formulae &#8211; Prefix Names<\/a><\/p>\n<p><a href=\"https:\/\/www.youtube.com\/watch?v=LPDlN0q26wc\">Miss Adams &#8211; Chemical Formulae &#8211; Cross Over Method<\/a><\/p>\n<p><a href=\"https:\/\/www.youtube.com\/watch?v=sH9IEOPmF6E\">Miss Adams &#8211; Chemical Fomulae &#8211; Valency Method<\/a><\/p>\n<p><a href=\"https:\/\/www.youtube.com\/watch?v=1EH1vD1py54\">Miss Adams &#8211; Chemical Formulae &#8211; Writing Ionic Formulae<\/a><\/p>\n<p><strong>To help with your learning, you may also wish to try some of the following resources:<\/strong><\/p>\n<p><a href=\"https:\/\/phet.colorado.edu\/sims\/html\/balancing-chemical-equations\/latest\/balancing-chemical-equations_en.html\">Game: Balancing Chemical Equations<\/a><\/p>\n<p><strong>Within the National 5 Chemistry course, you will need to know:<\/strong><\/p>\n<p><strong>Chemical formulae <\/strong><\/p>\n<ul>\n<li>Compound names are derived from the names of the elements from which they are formed.<\/li>\n<li>Most compounds with a name ending in \u2018-ide\u2019 contain the two elements indicated.<\/li>\n<li>The ending \u2018-ite\u2019 or \u2018-ate\u2019 indicates that oxygen is also present.<\/li>\n<li>Chemical formulae can be written for two element compounds using valency rules and a Periodic Table.<\/li>\n<li>Roman numerals can be used, in the name of a compound, to indicate the valency of an element.<\/li>\n<li>The chemical formula can also be determined from names with prefixes.<\/li>\n<li>The chemical formula of a covalent molecular substance gives the number of each type of atom present in a molecule.<\/li>\n<li>The formula of a covalent network gives the simplest ratio of each type of atom in the substance.<\/li>\n<li>Ions containing more than one type of atom are often referred to as group ions.<\/li>\n<li>Chemical formulae can be written for compounds containing group ions using valency rules and the data booklet.<\/li>\n<li>Ionic formulae give the simplest ratio of each type of ion in the substance and can show the charges on each ion, if required.<\/li>\n<li>In formulae, charges must be superscript and numbers of atoms\/ions must be subscript.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The following links offer some useful revision to support your learning: BBC Bitesize &#8211; Chemical Formulae West OS &#8211; Writing Formula for Covalent Molecular Compounds West OS &#8211; Writing Ionic Formulae Part 1 West OS &#8211; Writing Ionic Formulae Part 2 (Group Ions) Miss Adams &#8211; Chemical Formulae &#8211; Prefix Names Miss Adams &#8211; Chemical &hellip; <a href=\"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemformulae\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Chemical Formulae&#8221;<\/span><\/a><\/p>\n","protected":false},"author":6619,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"open","template":"","meta":{"footnotes":""},"class_list":["post-2","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemformulae\/wp-json\/wp\/v2\/pages\/2","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemformulae\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemformulae\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemformulae\/wp-json\/wp\/v2\/users\/6619"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemformulae\/wp-json\/wp\/v2\/comments?post=2"}],"version-history":[{"count":3,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemformulae\/wp-json\/wp\/v2\/pages\/2\/revisions"}],"predecessor-version":[{"id":15,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemformulae\/wp-json\/wp\/v2\/pages\/2\/revisions\/15"}],"wp:attachment":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/n5chemformulae\/wp-json\/wp\/v2\/media?parent=2"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}