Chemistry Pre-AP Polyatomic Ions Quiz added

Ammonium

NH₄⁺¹

Nitrite

NO₂^-1

Nitrate

NO₃^-1

Sulfite

SO₃^-2

Sulfate

SO₄^-2

Hydroxide (exception)

OH^-1

Cyanide (Exception)

CN^-1

Phosphate

PO₄^-3

Carbonate

CO₃^-2

Hydrogen carbonate / bicarbonate

HCO₃^-1

Acetate

C₂H₃O₂^-1

Dichromate

Cr₂O₇^-2

Chromate

CrO₄^-2

When Hydrogen (…)

Just add H to the o.g

When Dihydrogen (….)

It is H₂ because “di”

hypochlorite

ClO^-

chlorite

ClO₂^-

chlorate

ClO₃^-

perchlorate

ClO₄^-

permanganate

MnO₄^-