Polyatomic Ions

Sulfate
SO4-2

Sulfite

SO3-2

Phosphate

PO4-3

Nitrate

NO3-1
Nitrite
NO2-1
Cyanide

Cn-1

Carbonate
CO3-2

Bicarbonate (Hydrogen Carbonate)

HCO3-1

Hydroxide

OH-1
Acetate
C2H3O2-1
Chromate
CrO4-2

Dichromate

Cr2O7-2

Hypochlorite

ClO-1
Chlorite
ClO2-1
Chlorate

ClO3-1

Perchlorate
ClO4-1
Permanganate

MnO4-1

Ammonium
NH4+1
Hydronium
H3O+1
x

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