C08 Ionic Formulas with Polyatomic Ions

How can you tell if a compound is an ionic compound? It contains...

Mark all that apply.

• more than two elements

• a metal element

• all nonmetal elements

• the ammonium ion (NH₄⁺)

How can you usually tell if an ionic compound contains a polyatomic ion?

• more than two elements in the compound

• all nonmetal elements in the compound

• it contains a metal or metalloid

• it contains only two elements

If the name of an ion ends in -ate or -ite, it is a....

• monatomic ion of a metal

• monatomic ion of a nonmetal

• polyatomic ion

What is the formula for lead (IV) sulfate

• Pb(SO₄)₂

• PbSO₄

• Pb₃(SO₄)₂

• Pb₂SO₄

• Pb₂(SO₄)₃

What is the formula of calcium hydroxide?

• Ca₂OH

• Ca(OH)₂

• Ca₃(OH)₂

• CaOH

• Ca₂(OH)₃

What is the formula of copper (I) acetate?

• CuCH₃COO

• Cu₂CH₃COO

• Cu(CH₃COO)₂

• Cu₂(CH₃COO)₃

• Cu₃(CH₃COO)₂

What is the formula for copper (II) hydroxide?

• CuOH
• Cu(OH)₂
• Cu₂OH
• Cu₂(OH)₃

• Cu₃(OH)₂

What is the formula for lead (II) phosphate

• PbPO₄
• Pb₂PO₄
• Pb₃(PO₄)₂
• Pb₂(PO₄)₃

• Pb(PO₄)₂

The formula for magnesium cyanide is...

• Mg(CN)₂
• Mg(CN)₃

• MgCN
• Mg₂CN

• Mg₃CN

What is the formula for potassium carbonate?

• P₂CO₃
• PCO₃
• KCO₃
• K₂CO₃