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Polyatomic Ions

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Updated 2009-03-12 00:15

Polyatomic Ions

The formulas, charges and names for polyatomic ions

Polyatomic Ions

NameSymbol
Ammonium IonNH4+
HydroniumH3O+
HydroxideOH-
CyanideCN-
CarbonateCO32-
Bicarbonate (Hydrogen Carbonate)HCO3-
NitrateNO3-
NitriteNO2-
SulfateSO42-
SulfiteSO32-
Bisulfate (Hydrogen Sulfate)HSO4-
Bisulfite (Hydrogen Sulfite)HSO3-
ThiosulfateS2O32-
PhosphatePO43-
PhosphitePO33-
AcetateC2H3O2-
OxalateC2O42-
ChromateCrO42-
DichromateCr2O72-
PerchlorateClO4-
ChlorateClO3-
ChloriteClO2-
HypochloriteClO-
PermanganateMnO4-
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