The emission of electromagnetic radiation by an excited atom is best explained by

In which phase(s) do the molecules take the shape of the container?

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

Draw the aromatic compound toluene (methylbenzene). show all hydrogen atoms, including those on the ring.