Chem - Polyatomic Ions

Which of the following is chromate?

• CrO₄^2-
• CrO₃^2-
• CrO₂^2-
• CrO^2-

Which of the following is nitrate?

• NO^-
• NO₂^-
• NO₃^-
• NO₄^-

What is the correct name for this polyatomic ion: CN^–

• carbonate

• cyanide

• chromate

• chromite

What is the correct name for this polyatomic ion: OH^–

• hydrogen carbonate

• oxonium

• hydroxide

• acetate

What is the correct name for this polyatomic ion: PO₄^3–

• phosphorus tetroxide

• phosphate

• sulphate

• hydroxide

What is the correct formula for the polyatomic ion called chlorate?

• ClO^–

• ClO₂^–

• ClO₃^–

• ClO₄^–

What is the correct formula for the polyatomic ion called perchlorate?

• ClO^–

• ClO₂^–

• ClO₃^–

• ClO₄^–

What is the correct formula for the polyatomic ion called hydrogen carbonate?

• HCO₃^–

• CO₃^2–

• CrO₄^2–

• CN^–

What is the correct formula for the polyatomic ion called ammonium?

• NH₃⁺

• NH₃

• CN⁺

• NH₄⁺

acetate

• C₂H₃O₂^1-
• C₃H₂O₃^1-
• C₂H₂O₃^1-
• C₃H₃O₂^1-