Atoms and molecules are constantly in motion. The more kinetic energy atoms or molecules have, the faster they move about. In which state of matter do the atoms and molecules have the least kinetic energy?

Question

a
solid
b
not enough information to determine
c
gas
d
liquid

Answer 1

The state of matter in which atoms and molecules have the least kinetic energy is:

a) solid

In solids, particles are closely packed together and vibrate in fixed positions, resulting in lower kinetic energy compared to liquids and gases, where particles have more freedom to move.