Question

what happens if atoms lose energy during a change of state?
the atoms are pushed apart by repulsive forces and become less organized.
the atoms are pulled together by attractive forces and become less organized.
the atoms are pushed apart by repulsive forces and become more organized.
the atoms are pulled together by attractive forces and become more organized.

Explanation:

When atoms lose energy during a change of state (e.g., gas to liquid or liquid to solid), the attractive forces between atoms become more dominant. As energy is lost, the atoms slow down. In gases, atoms have high energy and move freely (less organized). As energy is lost (e.g., during condensation or freezing), the attractive forces pull the atoms closer together. In liquids, atoms are closer and more organized than in gases, and in solids, they are even more closely packed and highly organized (due to strong attractive forces relative to the reduced kinetic energy of atoms). Repulsive forces pushing atoms apart would lead to a more disordered (less organized) state (which is the case when atoms gain energy, e.g., solid to liquid to gas as kinetic energy increases and overcomes attractive forces).

Answer:

The atoms are pulled together by attractive forces and become more organized.