Ion: A Compound Building Game 2EIon is a card drafting game with no down time, where players select from a number of available ions and noble gases, with the goal of forming neutrally charged compounds or sets of noble gases. Players score additional points for creating compounds found on the goal cards each round. Contents: 50 Ion Cards15 Noble Gas Cards7 Transition Metal Cards9 Polyatomic Ion Cards14 Radioactive Cards9 Goal Cards21 Action Tiles1 Scorepad1 Rulebook1 Science Behind