Polyatomic Ions

What is the formula for the acetate ion?

• CO3²⁻

• C2H3O2⁻

• NO3⁻

• SO4²⁻

Which ion has the formula CO3²⁻?

• Carbonate

• Sulfate

• Nitrate

• Hydroxide

What is the charge on the hydroxide ion?

• 2−

• 1−

• 1+

• 3−

Which ion is represented by the formula NO3⁻?

• Nitrite

• Nitrate

• Sulfite

• Phosphate

What is the formula for the ammonium ion?

• NH4⁺

• NH3⁻

• NH2⁺

• NH⁻

Which ion has the formula ClO⁻?

• Chlorate

• Hypochlorite

• Perchlorate

• Chlorite

What is the charge on the sulfate ion?

• 1−

• 2−

• 3−

• 1+

Which ion is represented by the formula HCO3⁻?

• Hydrogen carbonate

• Hydrogen sulfate

• Hydrogen phosphate

• Hydroxide

What is the formula for the chromate ion?

• CrO4²⁻

• Cr2O7²⁻

• MnO4⁻

• SO3²⁻

Which ion has the formula SO3²⁻?

• Sulfate

• Sulfite

• Nitrate

• Nitrite