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Pearson Edexcel International GCSE (9–1) · CHEMISTRY · Section

Ionic bonding in magnesium oxide

19 practice questions

Start practising (3 questions)

Practice questions

1–3 of 3 · Hard

  1. Question 1

    2 marks · Hard

    Describe how a dot-and-cross diagram can be used to show the formation of magnesium oxide (MgO) from magnesium and oxygen atoms. Your answer should include arrangements and charges.

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  2. Question 2

    5 marks · Hard

    This question is about the ionic bonding in magnesium oxide (MgO).

    (a)

    State which ions are present in magnesium oxide and what charges they carry.

    [1 mark]
    (b)

    Explain in detail why there is a strong electrostatic force between these ions.

    [2 marks]
    (c)

    Suggest, with a reason, how the strength of ionic bonding in magnesium oxide would change if the oxide ions were replaced by fluoride ions (F^-).

    [2 marks]
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  3. Question 3

    2 marks · Hard

    State the ion formed when a magnesium atom loses electrons, and give its charge. What type of ion is this called?

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