Polyatomic Ions + charges

NH₄⁺

AMMONIUM

OH^-

HYDROXIDE

CN^-

CYANIDE

C₂H₃O₂^- or CH₃COO^-

ACETATE

NO₂^-

NITRITE

NO₃^-

NITRATE

SO₃^2-

SULFITE

SO₄^2-

SULFATE

PO₄^3-

PHOSPHATE

CO₃^2-

CARBONATE

ClO₄^-

PERCHLORATE

ClO₃^-

CHLORATE

ClO₂^-

CHLORITE

ClO^-

HYPOCHLORITE

BrO₄^-

PERBROMATE

BrO₃^-

BROMATE

BrO₂^-

BROMITE

BrO^-

HYPOBROMITE

IO₄^-

PERIODATE

IO₃^-

IODATE

IO₂^-

IODITE

IO^-

HYPOIODITE

CrO₆^2-

CHROMATE

Cr₂O₇^2-

DICHROMATE

MnO₄^-

PERMANGANATE