Which functional group is shown below?

Which of these conditions most likely produces an unstable isotope?

This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.

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.