Polyatomic Ions

Polyatomic Ion Names

100

NH₄⁺

What is Ammonium?

200

HCO₃^-

What is Hydrogen Carbonate or Bicarbonate?

300

NO₂^-

What is Nitrite?

400

CH₃COO^-

What is Acetate?

500

CN^-

What is Cyanide?

Polyatomic Ion Names

100

ClO^-

What is Hypochlorite?

200

O₂^2-

What is Peroxide?

300

SO₄^2-

What is Sulfate?

400

CrO₄^2-

What is Chromate?

500

C₂O₄^2-

What is Oxalate?

Polyatomic Ion Formulas

100

Nitrate

What is NO₃^-

200

Hydroxide

What is OH^-

300

Carbonate

What is CO₃^2-

400

Phosphite

What is PO₃^3-

500

Phosphate

What is PO₄^3-

Polyatomic Ion Formulas

100

Sulfite

What is SO₃^2-

200

Permanganate

What is MnO₄^-

300

Bromate

What is BrO₃^-

400

Chlorite

What is ClO₂^-

500

Perchlorate

What is ClO₄^-

Element Charges

100

Fluorine

What is 1-

200

Sodium

What is 1+

300

Sulfur

What is 2-

400

Arsenic

What is 3-

500

Oxygen

What is 2-