Ions and Their Formulas Quiz

What is the formula for the ammonium ion?

• NH₄⁺

• NH₃⁻

• NH₂⁺

• NH₄²⁻

Which ion is known as the cyanide ion?

• CN⁻

• CO₃²⁻

• ClO₄⁻

• C₂H₃O₂⁻

What is the charge on the sulfate ion?

• 2⁻

• 1⁻

• 3⁻

• 2⁺

Which of the following is the formula for the permanganate ion?

• MnO₄⁻

• MnO₄²⁻

• MnO₃⁻

• MnO₂⁻

What is the name of the ion with the formula ClO₄⁻?

• Perchlorate

• Chlorate

• Chlorite

• Hypochlorite

Which ion is represented by the formula C₂O₄²⁻?

• Oxalate

• Acetate

• Chromate

• Dichromate

What is the formula for the nitrate ion?

• NO₃⁻

• NO₂⁻

• NH₄⁺

• NO₄²⁻

Which ion is represented by the formula IO₄⁻?

• Periodite

• Iodate

• Periodate

• Hypoiodate

What is the name of the ion with the formula PO₄³⁻?

• Hypophosphite

• Perphosphate

• Phosphite

• Phosphate

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

• Nitride

• Nitrate

• Nitrite

• Ammonium