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Poly atomic Ions
| Question | Answer |
|---|---|
| Acetate | CH3COO- or C2H3O2 (1-) |
| Chlorate | ClO3 (1-) |
| Chlorite | ClO3 (1-) |
| Cyanide | CN (1-) |
| Dihydrogen Phosphate | H2PO4 (1-) |
| Hydrogen Carbonate (Bicarbonate) | HCO3 (1-) |
| Hydrogen Sulfate | HSO4 (1-) |
| Hydroxide | OH (1-) |
| Hypochlorite | ClO (1-) |
| Nitrate | NO3 (1-) |
| Nitrite | NO2 (1-) |
| Perchlorate | ClO4 (1-) |
| Permanganate | MnO4 (1-) |
| Thiocyanate | SCN (1-) |
| Iodate | IO3 (1-) |
| Carbonate | CO3 (2-) |
| Chromate | CrO4 (2-) |
| Dichromate | Cr2O7 (2-) |
| Hydrogen Phosphate | HPO4 (2-) |
| Phosphate | |
| Peroxide | O2 (2-) |
| Sulfate | SO4 (2-) |
| Sulfite | SO3 (2-) |
| Thiosulfate | S2O4 (2-) |
| Phosphate | PO4 (3-) |
| Phosphite | PO3 (3-) |
| NH4 (1+) | |
| H3O (1+) | |
| PO4(3-) |