Memorizing Common Polyatomic Ions

Cyanide

• CN^1-

• C₂H₃O₂

• NaCN

• KCN

What is the chemical formula for Ammonium?

• NH₄¹⁺

• NH₃

• NH₂

• N₂H₄

What is the chemical formula for Carbonate?

• CO₃^2-

• CO₂

• C₂O₄^2-

• C₃O₈^3-

What is the chemical formula for Hydroxide?

• OH^1-

• H₂O

• NaOH

• KOH

What is the chemical formula for Nitrite?

• NO₂^1-

• NO₃^1-

• N₂O₄

• NH₄⁺

What is the chemical formula for Nitrate?

• NO₃^1-

• NO₂^1-

• N₂O₄

• NH₄⁺

What is the chemical formula for Sulfite?

• SO₃^2-

• SO₂^2-

• SO₄^2-

• S₂O₃^2-

What is the chemical formula for Sulfate?

• SO₄^2-

• SO₃^2-

• S₂O₄^2-

• SO₄^1-

What is the chemical formula for Phosphate?

• PO₄^3-

• PO₃^2-

• P₂O₅

• H₂PO₄

What is the chemical formula for Chlorate?

• ClO₃^1-

• ClO₂^1-

• ClO₄^1-

• Cl₂O₃