Ice has a lower density than water because ice
A)molecules are more compact in the solid state.
B)molecules vibrate at lower rates than water molecules.
C)is composed of open-structured crystals.
D)density decreases with decreasing temperature.

Question

Quizplus · Accepted Answer

Ice is composed of open-structured crystals which causes its molecules to be more spaced apart from each other than in liquid water, leading to a lower density.

Ice Has a Lower Density Than Water Because Ice