Subatomic particles can usually pass undeflected through an atom because the volume of an atom is composed of
(1) an uncharged nucleus
(2) largely empty space
(3) neutrons
(4) protons

Water is initially present in a state where its molecules are far apart. during a change of state, its molecules slow down. which change of state has most likely taken place? from a gas to a liquid from a liquid to a gas from a solid to a liquid from a gas to a plasma