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Polyatomic Ions
| Term | Definition |
|---|---|
| Ammonium | NH4 ^1+ |
| Acetate | C2 H3 O2 ^1- |
| Perbromate | BrO4 ^1- |
| Bromate | BrO 3 ^1- |
| Hypochlorite | ClO ^1- |
| Chlorite | ClO2 ^1- |
| Chlorate | ClO3 ^1- |
| Perchlorate | ClO4 ^1- |
| Cyanide | CN ^1- |
| Dihydrogen phosphate | H2 PO4 ^1- |
| Hydrogen phosphate | HPO4 ^2- |
| Phosphate | PO4 ^3- |
| Hydrogen carbonate (bicarbonate) | HCO3 ^1- |
| Carbonate | CO3 ^2- |
| Hydrogen sulfate (bisulfate) | HSO4 1- |
| Sulfate | SO4 ^2- |
| Sulfite | SO3 ^2- |
| Hydroxide | OH ^1- |
| Nitrate | NO3 ^1- |
| Nitrite | NO2 ^1- |
| Permanganate | MnO4 ^1- |
| Chromate | CrO4 ^2- |
| Dichromate | Cr2 O7 ^2- |
| Oxalate | C2 O4 ^2- |
| Peroxide | O2 ^2- |
| Arsenate | AsO4 ^3- |