Common Polyatomic Ions

24 terms by mchughchem

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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

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