1:54

1:54 (Triple only) explain typical physical properties of metals, including electrical conductivity and malleability

Metals are good conductors because they have delocalised electrons which are free to move.

Metals are malleable (can be hammered into shape) because they have layers of ions that can slide over each other.

Spec	Q'stion	Ans	MS
1:54C	Jan '17 (1), Q 5 a v	Answer	MkS
1:54C	Jan '17 (2), Q 2 c	Answer	MkS
1:54C	Jan '18 (1), Q 11 a i	Answer	MkS
1:54C	Jan '18 (1), Q 11 a ii	Answer	MkS
1:54	May '10 (1), Q 1 a	Answer	MkS
1:54	May '11 (1), Q 9 c i	Answer	MkS
1:54	May '11 (1), Q 9 c ii	Answer	MkS
1:54	May '11 (1), Q 9 c iii	Answer	MkS
1:54	May '11 (2), Q 2 a	Answer	MkS
1:54	May '11 (2), Q 6 c	Answer	MkS
1:54	May '13 (1), Q 11 a i	Answer	MkS
1:54	May '13 (1), Q 11 a i	Answer	MkS
1:54	May '13 (1), Q 11 a ii	Answer	MkS
1:54	May '13 (1), Q 11 a ii	Answer	MkS
1:54C	May '14 (1), Q 10 a i	Answer	MkS
1:54C	May '14 (1), Q 10 a ii	Answer	MkS
1:54C	May '14 (1), Q 5 a i	Answer	MkS
1:54C	May '14 (1R), Q 4 a	Answer	MkS
1:54C	May '14 (1R), Q 9 c ii	Answer	MkS
1:54C	May '14 (1R), Q 9 c iii	Answer	MkS
1:54C	May '15 (1), Q 9 a	Answer	MkS
1:54C	May '15 (1), Q 9 d ii	Answer	MkS
1:54C	May '15 (2R), Q 8 b ii	Answer	MkS
1:54C	May '16 (1), Q 12 d ii	Answer	MkS
1:54C	May '16 (1R), Q 8 b	Answer	MkS
1:54C	May '17 (1), Q 10 b	Answer	MkS
1:54C	May '17 (1R), Q 6 a ii	Answer	MkS