Here's a problem to solve: As a sample of mercury changes state from liquid to solid, the atoms of the sample

Among the 4 following options, which is the correct answer?

- A: move closer together and have less kinetic energy.
 
- B: move closer together and have more kinetic energy.
 
- C: move farther apart and have less kinetic energy.
 
- D: move farther apart and have more kinetic energy.
 