Relacionar Columnas Periodic Table, Groups, Periods, and Ions - Picture VersionVersión en línea Find the matches. por Heather Holmes 1 Ions in this set always have a charge of +1. 2 Elements in this set can form more than one ion . 3 Ions in this set always have a 2+ charge. 4 Ionic Compound 5 Ions in this set always have a 1- charge. 6 Elements in this set are generally non-reactive. 7 Molecular Compound