Ionic Names and Formulas

What is the name of FeP?

• Iron (III) phosphide

• Iron (II) phosphide

• Ferric phosphide

• Iron phosphide

What compound is formed when Fe⁺³ combines with S^-2?

• FeS

• Fe₂S₂

• Fe₂S₃

• Fe₃S₂

What is the formula for aluminum oxide?

• AlO₃

• Al₂O₃

• Al₃O₂

• Al₂O₄

What is the formula for iron (III) hydroxide?

• Fe(OH)₃

• Fe(OH)₂

• Fe(OH)₄

• FeO(OH)

What is the charge of iron in iron (III) phosphide?

• +2

• +3

• +1

• +4

What is the formula for iron (II) sulfide?

• FeS

• Fe2S3

• FeSO4

• FeS2

What is the formula for copper (II) chloride?

• CuCl

• CuCl₂

• Cu₂Cl

• CuCl₃

What is the name of the ion SO₄^2-?

• sulfate

• sulfide

• sulfite

• sulfuric acid

What is the name of Na₂S?

• sodium sulfide

• sodium sulfate

• sodium sulfite

• sodium thiosulfate

What is the charge of phosphate ion?

• -1

• -2

• -3

• +1