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Polyatomic Atoms
| Question | Answer |
|---|---|
| acetate | C2H3O2 (-1) |
| carbonate | CO3 (-2) |
| hydrogen carbonate (bicarbonate) | HCO3 (-1) |
| hydroxide | OH (-1) |
| nitrate | NO3 (-1) |
| nitrite | NO2 (-1) |
| chromate | CrO4 (-2) |
| dichromate | Cr2O7 (-2) |
| phosphate | PO4 (-3) |
| ammonium | NH4 (+1) |
| chlorite | ClO2 (-1) |
| chlorate | ClO3 (-1) |
| perchlorate | ClO4 (-1) |
| permanganate | MnO4 (-1) |
| sulfate | SO4 (-2) |
| sulfite | SO3 (-2) |