Lesson 5.2.1.2

5.2.1.2 Ionic bonding Quiz: AQA Combined Science, Unit 9

20 questions

Written by Revision Ninja · Last reviewed 11 October 2026

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Lesson 5.2.1.2, Ionic bonding: 20 multiple choice questions for the AQA GCSE Combined Science (8464), Unit 9: Bonding, structure, and the properties of matter, written with Revision Ninja.

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The 20 questions

  1. When metals react with non-metals, what happens to metal outer electrons?

    • Transferred
    • Shared
    • Duplicated
    • Destroyed

  2. Metal atoms lose electrons to become:

    • Negatively charged ions
    • Positively charged ions
    • Neutral atoms
    • Free radicals

  3. Non-metal atoms gain electrons to become:

    • Neutral molecules
    • Negatively charged ions
    • Positively charged ions
    • Metallic cations

  4. Ions from Group 1 and 2 metals and Group 6 and 7 non-metals have the electronic structure of:

    • A halogen
    • A metal
    • A noble gas
    • Hydrogen

  5. The charge on a Group 1 metal ion is:

    • +2
    • +1
    • +3
    • -1

  6. The charge on a Group 7 non-metal ion is:

    • -1
    • +7
    • -7
    • +1

  7. The charge on a Group 2 metal ion is:

    • -2
    • 0
    • +2
    • +1

  8. The charge on an oxide ion (Group 6) is:

    • -2
    • +2
    • +6
    • -6

  9. How many electrons are transferred when sodium chloride forms?

    • 7
    • 8
    • 1
    • 2

  10. Magnesium and oxygen form Mg²⁺ and O²⁻ ions. What is the formula of magnesium oxide?

    • Mg₂O
    • Mg₂O₂
    • MgO₂
    • MgO

  11. What is the formula of calcium chloride?

    • Ca₂Cl
    • CaCl₃
    • CaCl
    • CaCl₂

  12. What is the formula of potassium fluoride?

    • KF₂
    • K₂F
    • KF
    • PF

  13. How many lithium ions are needed to bond with one oxide ion?

    • Four
    • One
    • Two
    • Three

  14. How many electrons does a calcium atom lose to form Ca²⁺?

    • 0
    • 2
    • 1
    • 3

  15. A sodium atom (2,8,1) forms Na⁺. What is the electronic structure of the ion?

    • 2,8,1
    • 2,7
    • 2,8,2
    • 2,8

  16. An oxygen atom gains two electrons to form O²⁻. What is the electronic structure of the ion?

    • 2,7,1
    • 2,8,2
    • 2,6
    • 2,8

  17. How many chloride ions combine with one magnesium ion in MgCl₂?

    • 4
    • 1
    • 2
    • 3

  18. Why does magnesium fluoride contain two fluoride ions per magnesium ion?

    • Balance the charge
    • Share four electrons
    • Form giant molecules
    • Complete outer shells

  19. Why must electrons lost by a metal equal those gained by a non-metal?

    • Bonds become covalent
    • Mass is destroyed
    • Charge is conserved
    • Energy is released

  20. A Group 2 metal reacts with a Group 7 halogen. What is the formula of the compound?

    • XY₃
    • XY₂
    • X₂Y
    • XY

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