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Polyatomic Ions

Names, formulas, and charges of some common polyatomic ions

TermDefinition
CH3COO (1-) Acetate
CO3 (2-) Carbonate
HCO3 (1-) Hydrogen carbonate or bicarbonate
CN (1-) Cyanide
ClO (1-) Hypochlorite
ClO2 (1-) Chlorite
ClO3 (1-) Chlorate
ClO4 (1-) Perchlorate
Cr2O7 (2-) Dichromate
CrO4 (2-) Chromate
MnO4 (1-) Permanganate
N3 (1-) Azide
NH4 (1+) Ammonium
NO2 (1-) Nitrite
NO3 (1-) Nitrate
OH (1-) Hydroxide
O2 (2-) Peroxide
PO4 (3-) Phosphate
HPO4 (2-) Hydrogen phosphate
H2PO4 (1-) Dihydrogen phosphate
S2 (2-) Disulfide
SO4 (2-) Sulfate
HSO4 (1-) Hydrogen sulfate or bisulfate
SO3 (2-) Sulfite
HSO3 (1-) Hydrogen sulfite or bisulfite
SCN (1-) Thiocyanate
Created by: Landsav
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