Quiz on Ionic Bonding and Nomenclature with Polyatomic Ions

What is a polyatomic ion?

• A molecule with no charge

• An atom that has gained or lost electrons

• A single atom with a positive charge

• Multiple atoms grouped together that have gained or lost electrons

Which of the following is the correct formula for sulfate?

• SO₄⁻

• SO₄²⁻

• SO₃²⁻

• SO₃⁻

What is the charge of the nitrate ion?

• −3

• +1

• −1

• −2

Which of the following compounds contains a polyatomic ion?

• O2

• NaCl

• H₂O

• NH₄Cl

What is the correct name for the compound with the formula KMnO₄?

• Potassium nitrate

• Potassium sulfate

• Potassium manganate

• Potassium permanganate

How many sulfate ions are in the formula Al₂(SO₄)₃?

• 3

• 4

• 2

• 1

What is the charge of the ammonium ion?

• −2

• +1

• +2

• −1

Which of the following is the correct formula for phosphate?

• PO₄−

• PO₃²⁻

• PO₃³⁻

• PO₄³⁻

What is the correct name for the compound with the formula ZnSO₄?

• Zinc sulfite

• Zinc nitrate

• Zinc sulfate

• Zinc phosphate

In the compound Co₃(PO₃)₂, what is the charge of the cobalt ion?

• +3

• +4

• +1

• +2