1 A group of covalently bonded atoms that has an overall electrical charge is called a(n)______ cation polyatomic ion molecule anion ionic compound According to naming rules, the types of compound that use prefixes in their names are ionic compounds polyatomic ions lonic compounds invo transition metals molecular compounds compounds that contain polyatomic ions An anion always forms covalent bonds has a negative charge contains a group of two or more atoms with a positive charge has a positive charge contains a metal and a nonmetal
