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Polyatomic flash and match
Common polyatomic ions and their formulas. The subscript numbers are the numbers in ( ). The charge is noted last. example CrO(4) 2-
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| A | B |
|---|
| Ammonium ion | NH(4) + |
| Acetate ion | CH(3) CO(2) - |
| Carbonate ion | CO(3) 2- |
| Bicarbonate ion | HCO(3) - |
| Dichromate ion | Cr(2) O(7) 2 - |
| Cyanide ion | CN - |
| Hydroxide ion | OH - |
| Hypochlorite ion | OCL - |
| Nitrate ion | NO(3) - |
| Nitrite ion | NO(2) - |
| Permanganate ion | MnO(4) - |
| Phosphate ion | PO(4) 3- |
| Hydrogen Phosphate ion | HPO(4) 2- |
| Dihydrogen phosphate | H(2) PO(4) - |
| Sulfate ion | SO(4) 2- |
| Bisulfate ion | HSO(4) - |
| Sulfite ion | SO(3) 2- |
| Chromate ion | CrO(4) 2- |
| Thiocyanide ion | SCN - |
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