Ionic bonding in magnesium oxide

1 mark · Normal

What is the main reason magnesium oxide is held together as an ionic compound?

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Correct option: Positive and negative ions are strongly attracted by electrostatic forces.

Common mistakes: Choosing 'Electrons are shared...' or 'Covalent bonds'

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Marking points

B1 · 1 mark · Correct answer: Positive and negative ions are strongly attracted by electrostatic forces.

Worked solution

The ionic bond in MgO is due to the strong electrostatic attraction between oppositely charged ions.