Polyatomic Ions (copy)

Carbonate

CO₃^-2

Bicarbonate(hydrogen carbonate)

HCO₃⁻¹

Nitrate

NO₃^–1

Chlorate

ClO₃^-1

Phosphite

PO₃^-3

Sulfate

SO₄^-2

Sulfite

SO₃^-2

Hypochlorite

ClO^-1

Chlorite

ClO₂^-1

Phosphate

PO₄^-3

Perchlorate

ClO₄^-1

Cyanide

CN^-1

Hydroxide

OH^-1

Acetate

C₂H₃O₂¹

Ammonium

NH₄⁺¹

What does hypo mean?

One less oxygen than ite

What does ite mean?

1 less oxygen than ate

What does perc mean

1 more oxygen than ate

Nitrite

NO₂^–1

permanganate

MnO₄^–1

chromate

CrO₄^–2

dichromate

Cr₂O₇^–2