Which changes of state are characterized by having atoms that gain energy? Check all that apply.

melting
sublimation
freezing
vaporization
condensation
deposition

1 answer

The changes of state characterized by atoms gaining energy are:

  • Melting (solid to liquid)
  • Sublimation (solid to gas)
  • Vaporization (liquid to gas)

The other changes (freezing, condensation, and deposition) involve atoms losing energy.