chem 1311 polyatomic ions

ammonium

NH₄⁺

hydronium

H₃O⁺

mercury(I)

Hg₂²⁺

acetate

C₂H₃O₂^-

azide

N₃ ^-

carbonate

CO₃^2-

chlorate

ClO₃^-

chlorite

ClO₂^-

chromate

CrO₄^2-

Cyanide

CN^-

dichromate

Cr₂O₇^2-

dihydrogen phosphate

H₂PO₄^-

hydrogen carbonate or bicarbonate

HCO₃^-

hydrogen phosphate

HPO₄^2-

hydrogen sulfate or bisulfate

HSO₄^-

hydroxide

OH^-

hypochlorite

ClO^-

nitrate

NO₃^-

nitrite

NO₂^-

oxalate

C₂O₄^2-

perchlorate

ClO₄^-

permanganate

MnO₄^-

peroxide

O₂^2-

phosphate

PO₄^3-

phosphite

PO₃^3-

sulfate

SO₄^2-

sulfite

SO₃^2-

thiocyanate

SCN^-