(iv) A and D thermal energy • answers may be in either order accept or ‘heat’ ‘energy’ both answers are required for the mark electricity • 1 (L7) 1 (L3) (v) C (ii) answers may be in either order 1 (L7) solid (b) (i) the same • 1 (L3) accept ‘seven’ 1 (L7) liquid • accept (ii) a random, mixed arrangement of both ‘fluid’ 1 (L3) types of molecule should be (c) oxygen drawn with the molecules not touching each 1 (L4) other [6] 1 (L7) [7] Q# 12/ M13. (b) (i) any one from
(iv) A and D answers may be in either order both answers are required for the mark 1 (L7) (v) C 1 (L7) (b) (i) the same accept ‘seven’ 1 (L7) (ii) a random, mixed arrangement of both types of molecule should be drawn with the molecules not touching each other 1 (L7) [7] Q# 12/ M13. (b) (i) any one from • thermal energy accept ‘heat’ or ‘energy’ • electricity 1 (L3) (ii) answers may be in either order • solid 1 (L3) • liquid accept ‘fluid’ 1 (L3) (c) oxygen 1 (L4) [6]