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versions of Polyatomic Ions CDS Honors Chem:
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Polyatomic Ions CDS Honors Chem
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-1 charge
| Formula | Name |
| H2PO4 | dihydrogen phosphate |
| C2H3O2 (or CH3CO2 or CH3COO) | Acetate |
| HSO3 | hydrogen sufite (bisulfite) |
| HSO4 | hydrogen sulfate (bisulfate) |
| HCO3 | hydrogen carbonate (bicarbonate) |
| NO2 | nitrite |
| NO3 | nitrate |
| CN | cynide |
| OH | hydroxide |
| MnO4 | permanganate |
| ClO | hypochlorite |
| ClO2 | chlorite |
| ClO3 | chlorate |
| ClO4 | perchlorate |
| BrO3 | bromate |
| IO3 | iodate |
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-2 charge
| Formula | Name |
| HPO4 | hydrogen phosphate |
| C2O4 | oxalate |
| SO3 | sulfite |
| SiF6 | hexafluorosilicate |
| SO4 | sufate |
| CO3 | carbonate |
| O2 | peroxide |
| CrO4 | chromate |
| Cr2O7 | dichromate |
| SiO3 | silicate |
| SeO4 | selenate |
| S2O3 | thiosulfate |
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-3 charge
| Formula | Name |
| PO4 | phosphate |
| PO3 | phosphite |
| AsO4 | arsenate |
| BO3 | borate |
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+1 charge
| Formula | Name |
| NH4 | Ammonium |
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+2 charge
| Formula | Name |
| Hg2 | Mercury I |
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Charges
| Formula | Charge |
| H2PO4 | -1 |
| C2H3O2 (or CH3CO2 or CH3COO) | -1 |
| HSO3 | -1 |
| HSO4 | -1 |
| HCO3 | -1 |
| NO2 | -1 |
| NO3 | -1 |
| CN | -1 |
| OH | -1 |
| MnO4 | -1 |
| ClO | -1 |
| ClO2 | -1 |
| ClO3 | -1 |
| ClO4 | -1 |
| BrO3 | -1 |
| IO3 | -1 |
| HPO4 | -2 |
| C2O4 | -2 |
| SO3 | -2 |
| SiF6 | -2 |
| SO4 | -2 |
| CO3 | -2 |
| O2 | -2 |
| CrO4 | -2 |
| Cr2O7 | -2 |
| SiO3 | -2 |
| SeO4 | -2 |
| S2O3 | -2 |
| PO4 | -3 |
| PO3 | -3 |
| AsO4 | -3 |
| BO3 | -3 |
| NH4 | +1 |
| Hg2 | +2 |
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