Table of Selected Polyatomic Ions [Multiple Choice]

What is the formula for the polyatomic ion ammonium?

• NH₄⁺

• NH₃

• NH₂⁻

• NH₄²⁻

What is the formula for the polyatomic ion hydronium?

• H₃O⁺

• H₂O

• OH⁻

• H₄O²⁺

What is the formula for the polyatomic ion acetate?

• C₂H₃O₂⁻

• C₂H₅O₂⁻

• CH₃COO⁺

• C₃H₆O₂⁻

What is the formula for the polyatomic ion carbonate?

• CO₃²⁻

• CO₄²⁻

• CO₂²⁻

• C₂O₄²⁻

What is the formula for the polyatomic ion chlorate?

• ClO₃⁻

• ClO₂⁻

• ClO₄⁻

• ClO⁻

What is the formula for the polyatomic ion chlorite?

• ClO₂⁻

• ClO₃⁻

• ClO⁻

• ClO₄⁻

What is the formula for the polyatomic ion chromate?

• CrO₄²⁻

• Cr₂O₇²⁻

• CrO₃²⁻

• Cr₂O₄²⁻

What is the formula for the polyatomic ion hydroxide?

• OH⁻

• H₂O

• O₂

• H⁺

What is the formula for the polyatomic ion hypochlorite?

• ClO⁻

• ClO₂⁻

• ClO₃⁻

• ClO₄⁻

What is the formula for the polyatomic ion hypochlorite?

• CIO⁻

• IO₃⁻

• IO₂⁻

• I⁻