Honors Chemistry: Polyatomic Ions

cyanide

CN^-

thiocyanate

SCN^-

hydroxide

OH^-

nitrate

NO₃^-

nitrite

NO₂^-

acetate

C₂H₃O₂^-

permanganate

MnO₄^-

perchlorate

ClO₄^-

chlorate

ClO₃^-

chlorite

ClO₂^-

hypochlorite

ClO^-

bicarbonate

HCO₃^-

bisulfate

HSO₄^-

carbonate

CO₃^2-

oxalate

C₂O₄^2-

sulfate

SO₄^2-

thiosulfate

S₂O₃^2-

sulfite

SO₃^2-

chromate

CrO₄^2-

dichromate

Cr₂O₇^2-

peroxide

O₂^2-

phosphate

PO₄^3-

phosphite

PO₃^3-

ammonium

NH₄⁺

hydronium

H₃O⁺

mercury (I)

Hg₂²⁺