AP Chemistry: POLYATOMIC IONS

Hg₂²⁺

Mercury(I)

NH₄⁺

Ammonium

NO₂^-

Nitrite

NO₃^-

Nitrate

SO₃^2-

Sulfite

SO₄^2-

Sulfate

HSO₄^-

Hydrogen sulfate/bisulfate

OH^-

Hydroxide

CN^-

Cyanide

PO₄^3-

Phosphate

HPO₄^2-

Hydrogen Phosphate

H₂PO₄^-

Dihydrogen phosphate

NCS^- or SCN^-

Thiocyanate

CO₃^2-

Carbonate

HCO₃^-

Hydrogen carbonate /bicarbonate

CLO^- or OCl^-

Hypochlorite

ClO₂^-

Chlorite

ClO₃^-

Chlorate

ClO₄^-

Perchlorate

C₂H₃O₂^-

Acetate

MnO₄^-

Permanganate

Cr₂O₄^2-

Dichromate

O₂^2-

Peroxide

C₂O₄^2-

Oxalate

S₂O₃^2-

Thiosulfate