Polyatomic Ions Study CHEM001

What is the chemical formula for ammonium?

• NO₂⁻

• NH₄⁺

• SO₄²⁻

• HSO₄⁻

Which ion has the formula NO₃⁻?

• Nitrite

• Nitrate

• Sulfite

• Thiosulfate

What is the formula for sulfate?

• SO₃²⁻

• SO₄²⁻

• S₂O₃²⁻

• NO₂⁻

Which of the following is the formula for thiosulfate?

• S₂O₃²⁻

• HSO₄⁻

• NO₂⁻

• NH₄⁺

What is the chemical formula for hydrogen sulfate (bisulfate)?

• SO₄²⁻

• HSO₄⁻

• NO₃⁻

• SO₃²⁻

What is the formula for oxalate?

• C₂O₄²⁻

• C₂O₂²⁻

• C₂O₃²⁻

• C₂O₂⁻

Which ion has the formula OH⁻?

• Hydroxide

• Oxalate

• Phosphate

• Chlorate

What is the formula for phosphite?

• PO₃³⁻

• PO₄³⁻

• HPO₄²⁻

• H₂PO₄⁻

Which ion has the formula PO₄³⁻?

• Phosphate

• Phosphite

• Perchlorate

• Chlorite

What is the formula for hydrogen phosphate?

• HPO₄²⁻

• H₂PO₄⁻

• PO₄³⁻

• PO₃³⁻