Linked from
The 17 pages that link to Polyatomic ion, each with the reason it gives.
HydroxideNarrower topic: Hydroxide is a two-atom example whose atoms carry a net charge.
AnionNarrower topic: Many familiar anions, including nitrate and sulfate, contain several atoms.
AmmoniumNarrower topic: Ammonium is a compact example of a polyatomic cation.
ChlorateNarrower topic: Chlorate’s three oxygen atoms and chlorine form one persistent charged unit.
Sodium chlorateNarrower topic: Chlorate remains a multi-atom ion within the ionic solid.
OxyanionNarrower topic: Oxyanions are the oxygen-containing members of this broader class.
PerchlorateNarrower topic: Perchlorate is a four-atom polyatomic ion with a net charge of −1.
SulfiteNarrower topic: Sulfite is a polyatomic ion with a net charge of −2.
Sodium azideNarrower topic: Azide is a polyatomic ion paired with sodium in this salt.