{"id":1117,"date":"2019-02-19T07:41:14","date_gmt":"2019-02-19T07:41:14","guid":{"rendered":"https:\/\/blogs.glowscotland.org.uk\/gc\/hchemanswers\/?page_id=1117"},"modified":"2022-10-12T12:56:32","modified_gmt":"2022-10-12T12:56:32","slug":"marking-guide-unit-1c1-periodicity","status":"publish","type":"page","link":"https:\/\/blogs.glowscotland.org.uk\/gc\/hchemanswers\/marking-guide-unit-1c1-periodicity\/","title":{"rendered":"MARKING GUIDE: Unit 1C1 \u2013 Periodicity"},"content":{"rendered":"

 <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n
1.<\/td>\nC<\/td>\n<\/tr>\n
2.<\/td>\n\u00a0B<\/td>\n<\/tr>\n
3.<\/td>\n\u00a0D<\/td>\n<\/tr>\n
4.<\/td>\n\u00a0B<\/td>\n<\/tr>\n
5.<\/td>\n\u00a0C<\/td>\n<\/tr>\n
6.<\/td>\n\u00a0C<\/td>\n<\/tr>\n
7.<\/td>\n\u00a0B<\/td>\n<\/tr>\n
8.<\/td>\n\u00a0B<\/td>\n<\/tr>\n
9.<\/td>\n\u00a0C<\/td>\n<\/tr>\n
10.<\/td>\n\u00a0C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
11.<\/td>\nC<\/td>\n<\/tr>\n
12.<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n\u00a0\"\"<\/td>\n<\/tr>\n
\u00a013.<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n\u00a0\"\"<\/td>\n<\/tr>\n
\u00a014.<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n\u00a0\"\"<\/td>\n<\/tr>\n
\u00a015.<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n\u00a0\"\"<\/td>\n<\/tr>\n
\u00a016.<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n\u00a0\"\"\"\"<\/td>\n<\/tr>\n
\u00a017.<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n\u00a0\"\"<\/td>\n<\/tr>\n
\u00a018.<\/td>\n<\/td>\n<\/tr>\n
<\/td>\nA sodium ion is formed by loss of a single, outer electron, leading to a reduction in the number of occupied energy levels \/ shells. 2,8,1\u00a0 becomes 2,8.<\/p>\n

A chlorine atom is formed by the addition of a further electron, filling the outer energy level\/ shell. 2,8,7 becomes 2,8,8.<\/p>\n

The chlorine ion has 3 occupied energy levels\/ shells, the sodium has only two.<\/td>\n<\/tr>\n

\u00a019.<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n\u00a0As the size of the ion<\/strong><\/span> increases<\/strong><\/em>, the enthalpy of lattice formation<\/span> decreases<\/strong><\/em><\/td>\n<\/tr>\n
20.<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n\u00a0\"\"<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

  1. C 2. \u00a0B 3. \u00a0D 4. \u00a0B 5. \u00a0C 6. \u00a0C 7. \u00a0B 8. \u00a0B 9. \u00a0C 10. \u00a0C 11. C 12. \u00a0 \u00a013. \u00a0 \u00a014. \u00a0 \u00a015. \u00a0 \u00a016. \u00a0 \u00a017. \u00a0 \u00a018. A sodium ion is formed by loss of a single, outer electron, leading to a reduction in the number … Continue reading “MARKING GUIDE: Unit 1C1 \u2013 Periodicity”<\/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-1117","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hchemanswers\/wp-json\/wp\/v2\/pages\/1117","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hchemanswers\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hchemanswers\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hchemanswers\/wp-json\/wp\/v2\/users\/2454"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hchemanswers\/wp-json\/wp\/v2\/comments?post=1117"}],"version-history":[{"count":26,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hchemanswers\/wp-json\/wp\/v2\/pages\/1117\/revisions"}],"predecessor-version":[{"id":1994,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hchemanswers\/wp-json\/wp\/v2\/pages\/1117\/revisions\/1994"}],"wp:attachment":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hchemanswers\/wp-json\/wp\/v2\/media?parent=1117"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}