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Polyatonic Ions
Common Polyatomic Ions to Memorize for CHMY 141
| Question | Answer |
|---|---|
| CH3COO(-) or CH3CO2(-) | acetate |
| NH4(+) | ammonium |
| CO3(2-) | carbonate |
| HCO3(-) | Hydrogen Carbonate or Bicarbonate |
| CN(-) | cyanide |
| HCOO(-) | formate |
| H(+) | hydrogen ion |
| H3O(+) | hydronium |
| OH(-) | hydroxide |
| NO3(-) | nitrate |
| NO2(-) | nitrite |
| ClO4(-) | perchlorate |
| ClO3(-) | chlorate |
| MnO4(-) | permanganate |
| PO4(3-) | phosphate |
| HPO4(2-) | hydrogen phosphate or biphosphate |
| H2PO4(-) | dihydrogen phosphate or triphospate |
| O2(2-) | peroxide |
| SO4(2-) | sulfate |
| HSO4(-) | hydrogen sulfate or bisulfate |
| SO3(2-) | sulfite |
| HSO3(-) | hydrogen sulfite or bisulfite |
| naming convention with oxygen containing polyatomic ions | as # of oxygen decreases name change from "Per--ate" to "-ate" to "-ite" to -"hypo--ite" |
| CrO4(2-) | Chromate |
| Cr2O7(2-) | Dichromate |
| OCl(-) | Hypochlorite |
| C2O4(2-) | Oxalate |
Created by:
joanna.tigercub
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