Which particles make up the nucleus of an atom? protons and electrons electrons and neutrons neutrons and protons protons, neutrons, and electrons

Protons and neutrons
electrons just revolve around it

1.from liquid state to gaseous state is evaporation 3.solid to liquid is melting 5. solid to gaseous state is sublimation 6. gas to solid state is decomposition 7. a change of state is known as the states of matters