Polyatomic Ions Review

• Ammonium

• Nitrate

• Hydrate

• Nitride

• Carbon Trioxide

• Chlorate

• Hydroxide

• Carbonate

• Carbonate

• Chlorate

• Perchlorate

• Acetate

• Chlorate

• Carbonate

• Glucose

• Acetate

• Sulfate

• Sulfide

• Ammonium

• Phosphate

The oxidation number of the sulfate & sulfite ions is

• +1

• -1

• +2

• -2

• +3

Which of these polyatomic ions has a positive charge?

• Phosphate

• Dichromate

• Ammonium

• Permanganate

A positively charged ion is

• a cation.

• an anion.

• in a good mood.

• is an optimist.

A negatively charged ion is

• a cation.

• an anion.

• in a good mood.

• is an optimist.

Name the polyatomic ion with the symbol CO₃^2-

• Carbonate

• Carbonite

• Calciumate

• Calciumite