Polyatomic Ions - Formulas

What is the formula for the polyatomic ion sulfite?

• SO₄^-2

• SO₃^-2

• SO₄^-1

• SO₃^-1

What is formula for the polyatomic ion cyanide?

• CN₃^-1

• CrO₄^-1

• CN^-1

• CO₃^-2

What is the formula for the polyatomic ion phosphate?

• PO₃^-2

• PO₃^-3

• PO₄^-3

• PO₄^-2

What is the formula for the polyatomic ion hydroxide?

• CN^-1

• OH^-2

• CN^-2

• OH^-1

What is the formula for the polyatomic ion permanganate?

• MgO₄^-1

• MnO₄^-1

• MnO₃^-2

• MgO₃^-2

What is the formula for the polyatomic ion nitrite?

• NO₃^-2

• NO₄^-1

• NO₂^-1

• NO₃^-1

What is the formula for the polyatomic ion sulfate?

• SO₄^-2

• SO₄^-1

• SO₃^-2

• SO₂^-1

What is the formula for the polyatomic ion chlorate?

• ClO₂^-2

• ClO₂^-1

• ClO₄^-1

• ClO₃^-1

What is the formula for the polyatomic ion perchlorate?

• ClO₄^-1

• ClO₃^-1

• ClO₄^-2

• ClO₃^-2

What is the formula for the polyatomic ion ammonium?

• NO₄^-1

• NH₄^-1

• NH₄⁺¹

• NO₄⁺¹