aatomeid (elektrone) kristallivõres koos hoidev side - vastastikjõud (vt ioonside, kovalentside, metalliside), a chemical bond in which two or more atoms are held together in crystal lattice by the interaction of their outer electron clouds (see: ionic bond, covalent bond, metallic bond), When forces acting between two atoms or groups of atoms lead to the formation of a stable independent molecular entity, a chemical bond is considered to exist between these atoms or groups., Osakeste (aatomite, ioonide jms) vahel toimiv jõud, mis põhjustab püsiva ja ühtse molekulaarse kogumi tekke