Memorizing Common Polyatomic Ions

Sulfate

• SO₄^2-

• SO₃^2-

• SO₂^2-

• S₂O₄^2-

What is the chemical formula for Chlorate?

• ClO₃^1-

• ClO₂^1-

• ClO₄^1-

• Cl₂O₃

What is the chemical formula for Carbonate?

• CO₃^2-

• CO₂

• C₂O₄^2-

• C₃O₈^3-

Hydroxide

• OH^1-

• H₂O

• NaOH

• K¹⁺

Nitrite

• NO₂^1-

• NO₃^1-

• N₂O₄

• NH₄⁺

What is the chemical formula for Nitrate?

• NO₃^1-

• NO₂^1-

• N₂O₄

• NH₄⁺

Cyanide

• CN^1-

• C³⁺

• N^2-

• C^1-

What is the chemical formula for Sulfite?

• SO₃^2-

• SO₂^2-

• SO₄^2-

• S₂O₃^2-

What is the chemical formula for Chlorite?

• ClO₂^1-

• ClO₃^1-

• ClO₂^2-

• Cl₂^1-

What is the chemical formula for Ammonium?

• NH₄¹⁺

• NH₃

• NH₂

• N₂H₄