What happens when atoms get excited?

Explain that newton first law,second law and third law of motion?

What will most likely happen when two bromine atoms bond together?

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.