Polyatomic Ions (new)

OH^-

hydroxide

C₂H₃O₂^-

CH₃COO

acetate

CN^-

cyanide

HCO₃^-

bicarbonate

hydrogen carbonate

NO₃^-

nitrate

MnO₄^-

permanganate

CO₃^2-

carbonate

SO₄^2-

sulfate

CrO₄^2-

chromate

PO₄^3-

phosphate

NH₄⁺

ammonium

H₃O⁺

hydronium

NO₂^-

nitrite

NO₃^-

nitrate

N₃^-

azide

H₂PO₄^-

dihydrogen phosphate

SCN^-

thiocyanate

HSO₄^-

bisulfate

HSO₃^-

bisulfite

ClO₄^-

perchlorate

ClO₃^-

chlorate

ClO₂^-

chlorite

ClO^-

hypochlorite

BrO₄^-

perbromate

BrO₃^-

bromate

BrO₂^-

bromite

BrO^-

hypobromite

IO₄^-

periodate

IO₃^-

iodate

IO₂^-

iodite

IO^-

hypoiodite

C₂O₄^2-

oxalate

O₂^2-

peroxide

HPO₄^2-

biphosphate

SO₃^2-

sulfite

S₂O₃^2-

thiosulfate

Cr₂O₇^2-

dichromate

BO₃^3-

borate

C₆H₅O₇^3-

citrate

PO₃^3-

phosphite