Formula - Polyatomic Ions (Table E)

Which of the following is nitrate?

• NO^-
• NO₂^-
• NO₃^-
• NO₄^-

Ammonium

• NH₄⁺
• NO₃^-
• NO₂^-
• MnO₄^-

Cyanide

• CrO₄^-2
• Cr₂O₄^-2
• CO₃^-2
• CN^-

Hydroxide

• Cr₂O₄^-2
• Cr₂O₄^-2
• O₃^-2
• OH^-

What is the name of this polyatomic ion?  CO₃^-2

• Carbonate
• Chromate
• Carbonite
• Chlorate

What is the formula for hydromium?

What is the chemical formula for ammonium?

• NH₄⁺

• SO₄^2-

• NO₃^-

What is the chemical formula for mercury(I)?

• HPO₄^2-

• H₂PO₄^-

What is the chemical formula for acetate?

• NO₂⁻

• HSO₄⁻

• S₂O₃²⁻

• C₂H₃O₂⁻

What is the chemical formula for cyanide?

• S₂O₃²⁻

• OH⁻

• CN⁻

• NO₃⁻