The strength of a substance's intermolecular attraction (the attractions between its molecules) can vary. A weaker attraction means the molecules will be farther apart, whereas a stronger attraction means they will be closer together.

Intermolecular attraction helps determine a substance's state of matter. For most substances, the attraction is weakest in the _______ state and strongest in the _______ state.
A.
solid; gas
B.
gas; solid
C.
solid; liquid
D.
liquid; gas