Common Polyatomic Ions

What is the correct name for this polyatomic ion: OH^–

• hydrogen carbonate

• oxonium

• hydroxide

• acetate

What is the correct name for this polyatomic ion: NO₃^–

• carbonate

• hydroxide

• nitrite

• nitrate

What is the correct name for this polyatomic ion: PO₄^3–

• phosphorus tetroxide

• phosphate

• sulphate

• hydroxide

What is the correct formula for the polyatomic ion called sulfate (sulphate)?

• SO₃^2–

• HSO₄^–

• SO₄^2–

• CH₃COO^–

What is the correct formula for the polyatomic ion called ammonium?

• NH₃⁺

• NH₃

• CN⁺

• NH₄⁺

What is the name of C₂H₃O₂^-1 ?

• Carbonite

• Carbonate

• Dicarbon trihydrogen dioxygen

• Acetate

Name the polyatomic ion: CO₃^-2

• Acetate

• Carbonite

• Carbonate

• Carbon Trioxide