What is the definition of weight

This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.

How is energy related to the change of state represented by the model? atoms gain energy as a solid changes to a liquid. atoms gain energy as a solid changes to a gas. atoms lose energy as a solid changes to a liquid. atoms lose energy as a solid changes to a gas.

Which statement best describes what happens when molecular compounds melt