Polyatomic Ions

Ammonium

NH₄⁺

Nitrite

NO₂⁻

Nitrate

NO₃⁻

Sulfite

SO₃²⁻

Sulfate

SO₄²⁻

hydrogen sulfate (or bisulfate)

HSO₄⁻

Hydroxide

OH⁻

Cyanide

CN⁻

Phosphate

PO₄³⁻

hydrogen phosphate

HPO₄²⁻

dihydrogen phosphate

H₂PO₄⁻

carbonate

CO₃²⁻

hydrogen carbonate (bicarbonate)

HCO₃⁻

hypochlorite

ClO⁻

chlorite

ClO₂⁻

chlorate

ClO₃⁻

perchlorate

ClO₄⁻

acetate

C₂H₃O₂⁻

permaganate’s

MnO₄⁻

dichromate

Cr₂O₇²⁻

chromate

CrO₄²⁻

peroxide

O₂²⁻

What is Zinc’s charge?

2+

What is Silver’s charge?

1+