4.1 Ionic Bonding

Which of the following could form an ionic compound? Check all that apply.

• Na⁺ and F^-

• S^2- and O^2-

• Ca²⁺ and Fe³⁺

• Mg²⁺ and Cl^-

What is the correct formula for the compound, lithium oxide?

• LiO
• Li₂O
• LiO₂
• Li₂O₂

What is the charge of ion "X" in the formula XF₃?

• +3

• -3

• +1

• -1

What are the correct formulas for magnesium sulfate and aluminium phosphide?

• Mg(SO₄)₂ and AlPO₄

• MgSO₄ and AlPO₄

• Mg(SO₄)₂ and AlP

• MgSO₄ and AlP

Which is the correct formula for iron (III) hydroxide?

• Fe₂(OH)₃

• Fe₃OH

• Fe(OH)₃

• Fe₃(OH)₂

Which describes ionic bonding best?

• electrostatic attraction between nuclei and pairs of electrons

• electrostatic attraction between positive ion and a pair of electrons

• electrostatic attraction between positive ions and negative ions

• electrostatic attraction between protons and electrons

Which are the correct formulas for their respective ions?

• A

• B

• C

• D

• A

• B

• C

• D

• A

• B

• C

• D