original: diatomic molecules are molecules composed only of two atoms , of either the same or different chemical elements .
simplifications: diatomic molecules are molecules that are made up of only two atoms , which are themselves made up of either the same or differing chemical elements . diatomic molecules are molecules made of only two atoms , of either the same or different chemical elements . diatomic molecules are molecules composed only of two atoms , of either the same diatomic molecules are molecules composed of only two atoms ; the atoms may or may not be the same chemical element . diatomic molecules are molecules composed only of two atoms , of either the same or different chemical elements . diatomic molecules are molecules composed only of two atoms , of which some will have the same chemical elements and others will not . diatomic molecules have two atoms with the same or diffrent chemical elements . diatomic smallest units are smallest units made up only of two smallest units , of either the same or different chemical elements .