A student drew a representation of the atoms of a solid. The illustration shows closely packed atoms vibrating, but remaining in the same relative positions.
Which of the following changes must the student make to the illustration to accurately represent the same substance in the liquid phase?

A
The illustration should show increase movement of the atoms.
B
Each individual atom should be much larger.
C
There should be very wide spaces between the atoms.
D
The shape of each atom must reflect the shape of the container.