KnowraPolyatomic ionLinked fromLinked fromThe 17 pages that link to Polyatomic ion, each with the reason it gives.All 17Broader topic 1Related 1Narrower topic 13Compared with 2MoleculeCompared with: Unlike a molecule under this definition, it is not electrically neutral.CationCompared with: Polyatomic cations such as ammonium carry positive charge without being single atoms.