1:22 understand how the electronic configuration of a main group element is related to its position in the Periodic Table

Elements in the same group have the same number of electrons in their outer shell.

This is why elements from the same group have similar properties.

Past paper questions on spec point:

Spec	Q'stion	Ans	MS
1:22	Jan '12 (2), Q 2 b ii	Answer	MkS
1:22	Jan '14 (1), Q 8 a	Answer	MkS
1:22	Jan '16 (1), Q 1 b i	Answer	MkS
1:22	Jan '16 (1), Q 1 b ii	Answer	MkS
1:22	Jan '16 (1), Q 1 b iii	Answer	MkS
1:22	Jan '16 (1), Q 1 b iv	Answer	MkS
1:22	Jan '16 (1), Q 1 b v	Answer	MkS
1:22	Jan '17 (1), Q 5 a iii	Answer	MkS
1:22	Jan '17 (1), Q 5 a iv	Answer	MkS
1:22	May '11 (1), Q 5 a i	Answer	MkS
1:22	May '13 (1), Q 1 b iii	Answer	MkS
1:22	May '13 (1R), Q 6 a i	Answer	MkS
1:22	May '13 (2R), Q 1 e	Answer	MkS
1:22	May '15 (2R), Q 1 b iv	Answer	MkS