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Polyatomic Ions
Common polyatomic ions and their charges from AP chem formula sheet
| Name | Formula |
|---|---|
| Acetate | C2H3O2(-) |
| Nitrite | NO2(-) |
| Nitrate | NO3(-) |
| Sulfite | SO3(2-) |
| Sulfate | SO4(2-) |
| Phosphite | PO3(3-) |
| Phosphate | PO4(3-) |
| Carbonate | CO3(2-) |
| Hydrogen Carbonate | HCO3(-) |
| Hydroxide | OH(-) |
| Chromate | CrO4(2-) |
| Dichromate | Cr2O7(2-) |
| Ammonium | NH4(+) |
| Permanganate | MnO4(-) |
| Perchlorate | ClO4(-) |
| Chlorate | ClO3(-) |
| Chlorite | ClO2(-) |
| Hypochlorite | ClO(-) |
| Iodate | IO3(-) |
| Cyanide | CN(-) |
| Oxalate | C2O4(2-) |