How interactions within a atom produce change
The force that causes the intramolecular reactions to happen in change are electromagnetic. Opposites charges attract and similar charges repel. The reactions that are ionic covalent and metallic are intramolecular. These all happen with many different types of atoms. Ionic boding happens in between a metal and a nonmetal. But with this Metallic bonding occurs between two metals. Covalent bonding does also allow atoms to share their electrons.Weak forces do occur radiation and decay inside the atom which happens to change the matter.Strong force gives an atom its shape by helping the atom stay together.
(2009, Nuclearenergypsa)