This is a fairly full listing of polyatomic ions.
Name | Formula |
---|---|
ammonium | NH4+ |
nitrite | NO2– |
nitrate | NO3– |
sulfite | SO32– |
sulfate | SO42– |
hydrogen sulfate (aka: bisulfate) |
HSO4– |
thiosulfate | S2O32– |
oxalate | C2O42– |
hydroxide | OH– |
peroxide | O22– |
cyanide | CN– |
phosphite | PO33– |
phosphate | PO43– |
hydrogen phosphate | HPO42– |
dihydrogen phosphate | H2PO4– |
Name | Formula |
---|---|
perchlorate | ClO4– |
chlorate | ClO3– |
chlorite | ClO2– |
hypochlorite | ClO– |
bromate | BrO3– |
iodate | IO3– |
acetate acetate |
CH3COO– C2H3O2– |
carbonate | CO32– |
hydrogen carbonate (aka: bicarbonate) |
HCO3– |
chromate | CrO42– |
dichromate | Cr2O72– |
permanganate | MnO4– |
cyanate | OCN– |
thiocyanate | SCN– |