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Polyatomic Ions
| Name | Formula |
|---|---|
| Nitrite | NO2^-1 |
| Nitrate | NO3^-1 |
| Sulfite | SO3^-2 |
| Sulfate | SO4^-2 |
| Phosphite | PO3^-3 |
| Phosphate | PO4^-3 |
| Carbonate | CO3^-2 |
| Hydroxide | OH^-1 |
| Hypochlorite | CIO^-1 |
| Chlorite | CIO2^-1 |
| Chlorate | CIO3^-1 |
| Perchlorate | CIO4^-1 |
| Permanganate | MnO4^-1 |
| Acetate | C2H3O2^-1 |
| Hydrogen Carbonate | HCO3^-1 |
| Ammonium | NH4^+1 |
| Iodate | IO3^-1 |
| Hypobromite | BrO^-1 |
| Bromite | BrO2^-1 |
| Bromate | BrO3^-1 |
| Perbromate | BrO4^-1 |
| Chromate | CrO4^-2 |
| Dichromate | Cr2O7^-2 |
| Cyanide | CN^-1 |