Polyatomic Ions Practice

What is the formula for Ammonium?

• The formula for Ammonium is NH₄⁺

• The formula for Ammonium is NH₃

• The formula for Ammonium is NH₂

• The formula for Ammonium is NH₄

What is the name of the ion with the formula NO₂⁻?

• Nitrite

• Nitrate

• Nitride

• Nitronium

What is the charge of the Sulfate ion?

• The charge of the Sulfate ion is -2.

• The charge of the Sulfate ion is -1.

• The charge of the Sulfate ion is +1.

• The charge of the Sulfate ion is +2.

Which of the following is the formula for Hydroxide?

• OH⁻

• CN⁻

• CO₃²⁻

• PO₄³⁻

What is the name of the ion with the formula ClO₃⁻?

• The ion with the formula ClO₃⁻ is called chlorate.

• The ion with the formula ClO₃⁻ is called hypochlorite.

• The ion with the formula ClO₃⁻ is called perchlorate.

• The ion with the formula ClO₃⁻ is called chlorite.

What is the formula for the Phosphate ion?

• PO₄^3-

• PO₃^2-

• PO₄^2-

• PO₃^3-

What is the formula for the Acetate ion?

• C₂H₃O₂−

• CH₃COO−

• C₂H₄O₂

• CH₃COOH

What is the name of the ion with the formula CrO₄²⁻?

• The name of the ion with the formula CrO₄²⁻ is chromate.

• The name of the ion with the formula CrO₄²⁻ is dichromate.

• The name of the ion with the formula CrO₄²⁻ is permanganate.

• The name of the ion with the formula CrO₄²⁻ is sulfate.

Which ion has the formula HCO₃⁻?

• HCO₃⁻ is the bicarbonate ion.

• HCO₃⁻ is the carbonate ion.

• HCO₃⁻ is the hydroxide ion.

• HCO₃⁻ is the sulfate ion.

What is the charge of the Oxalate ion?

• The charge of the Oxalate ion is -2.

• The charge of the Oxalate ion is -1.

• The charge of the Oxalate ion is 0.

• The charge of the Oxalate ion is +1.