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24 terms

Common Polyatomic Ions

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NH₄+
ammonium
NO₂⁻
nitrite
NO₃⁻
nitrate
SO₃²⁻
sulfite
SO₄²⁻
sulfate
HSO₄⁻
hydrogen sulfate
OH⁻
hydroxide
CN⁻
cyanide
PO₄³⁻
phosphate
HPO₄²⁻
hydrogen phosphate
CO₃²⁻
carbonate
HCO₃⁻
hydrogen carbonate
ClO⁻
hypochlorite
ClO₂⁻
chlorite
ClO₃⁻
chlorate
ClO₄⁻
perchlorate
C₂H₃O₂⁻
acetate
MnO₄⁻
permanganate
Cr₂O₇²⁻
dichromate
CrO₄²⁻
chromate
O₂²⁻
peroxide
H₂PO₄⁻
dihydrogen phosphate
has a charge of -2
sulfite, sulfate, hydrogen phosphate, carbonate, dichromate, chromate
has a charge of -1
nitrite, nitrate, hydrogen sulfate, hydroxide, cyanide, dihyrdogen phosphate, hydrogen carbonate, hypochlorite, chlorate, chlorite, perchlorate, acetate, permaganate