Polyatomic Ion Review

Write the formula for phosphate.

• PO₄^-3

• PO₃^-4

• PO₂^-3

• PO₄^-1

Write the formula for sulfate.

• SO₄^-1

• SO₃^-2

• SO₂^-3

• SO₄^-2

Write the formula for chromate.

• CrO₄^-1

• CrO₃^-2

• CrO₂^-3

• CrO₄^-2

Write the formula for carbonate.

• CO₄^-1

• CO₃^-2

• CO₂^-3

• CO₄^-2

Write the formula for nitrate.

• NO₄^-1

• NO₃^-1

• NO₂^-2

• NO₃^-2

Write the formula for chlorate.

• ClO₄^-1

• ClO₃^-1

• ClO₂^-2

• ClO₃^-2

Write the formula for hydroxide.

• OH^-1

• CN^-1

• OH^-2

• ON^-2

Write the formula for cyanide.

• OH^-1

• CN^-1

• CN^-2

• ON^-2

Write the formula for ammonium.

• NH₄^-1

• CN^-1

• OH^-1

• NH₄⁺¹

Write the formula for acetate.

• C₂H₃O₂^-1

• C₂H₃O₂^-2

• C₃H₂O₃^-1

• OH^-1

• CN^-1