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