Ionic Compounds - Polyatomic

Select the correct formula for the compound made by these ions: Na⁺ and Cl^-

• Na₁Cl₁

• Na(Cl)

• NaCl

• NaCl₂

Select the correct formula for the compound made by these ions: Mg²⁺ and Cl^-

• Mg₂Cl

• MgCl₂

• Mg(Cl)₂

• MgCl

Ionic compounds should have no charge because the positive ions balance the negative ions

• TRUE

• FALSE

What is the charge on this ionic compound: MgS

• +1

• -1

• 0 (no charge)

• +2

What is the name of this ion: S^2-

• Sulfide

• Sulfate

• Sodium

• Sulfur

Select the examples of polyatomic ions:

• Cl^-

• OH^-

• NO₃^-

• NH₄⁺

What is the name of this ionic compound: Na₂SO₄

• Sodium sulfide

• Sodium sulfate

• Sodium sulfur oxide

• Sodium sulfur

What charge does this polyatomic ion have: NO₃^-

• 3-

• 1-

• 3+

• 3-

Match the following ions to their names:

• Nitrate

• SO₄^2-

• Hydroxide

• NO₃^-

• Hydrogen carbonate

• OH^-

• Carbonate

• HCO₃^-

• Sulfate

• CO₃^2-

What is the correct formula for the compound made by these ions: Mg²⁺ and OH^-

• MgOH

• MgOH₂

• Mg(OH)₂

• Mg₂OH