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Polyatomic Ions
| Term | Definition |
|---|---|
| cations | NH4^+ Hg2^2+ |
| ammonium | NH4^+ |
| mercury (I) | Hg2^2+ |
| anions ending with ide | CN^- OH^- N3^- |
| cyanide | CN^- |
| hydroxide | OH^- |
| azide | N3^- |
| acetate | C2H3O2^- |
| carbonate | CO3^2- |
| bicarbonate | HCO3^- |
| hypobromite | BrO^- |
| bromite | BrO2^- |
| bromate | BrO3^- |
| perbromate | BrO4^- |
| hypochlorite | ClO^- |
| chlorite | ClO2^- |
| chlorate | ClO3^- |
| perchlorate | ClO4^- |
| chromate | CrO4^2- |
| dichromate | Cr2O7^2- |
| permanganate | MnO4^- |
| nitrite | NO2^- |
| nitrate | NO3^- |
| phosphite | PO3^3- |
| phosphate | PO4^3- |
| hydrogen phosphate | HPO4^2- |
| dihydrogen phosphate | H2PO4^- |
| sulfite | SO3^2- |
| bisulfite | HSO3^- |
| sulfate | SO4^2- |
| bisulfate | HSO4^- |
| thiosulfate | S2O3^2- |
| ide | element by itself |
| ite | compound contains oxygen, lower amount of oxygen |
| ate | compound contains more oxygen |