Lesson 2B.1

2B.1 Giant lattices, molecular and carbon structures Quiz: Pearson Edexcel Chemistry, Unit 2

20 questions

Written by Revision Ninja · Last reviewed 11 October 2026

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Lesson 2B.1, Giant lattices, molecular and carbon structures: 20 multiple choice questions for the Pearson Edexcel Chemistry (9CH0), Unit 2: Bonding and Structure, written with Revision Ninja.

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The 20 questions

  1. In diamond, how many other carbon atoms is each carbon atom covalently bonded to?

    • 3
    • 2
    • 6
    • 4

  2. Which particles allow graphite to conduct electricity along its layers?

    • Delocalised electrons
    • Polar molecules
    • Protons
    • Mobile ions

  3. Which description best fits the structure of graphene?

    • 3D diamond network
    • Single layer graphite
    • Spherical fullerene
    • Giant ionic lattice

  4. What type of crystal structure is formed by solid iodine?

    • Giant metallic
    • Simple molecular
    • Giant covalent
    • Giant ionic

  5. What type of crystal structure is formed by ice?

    • Simple molecular
    • Giant ionic
    • Giant metallic
    • Giant covalent

  6. What type of structure does silicon(IV) oxide, SiO2, have?

    • Giant metallic
    • Simple molecular
    • Giant ionic
    • Giant covalent

  7. Which of these substances contains a giant ionic lattice structure?

    • Graphite
    • Iodine
    • Sodium chloride
    • Diamond

  8. Why does diamond have a very high melting temperature?

    • Hydrogen bonding
    • Delocalised electrons
    • Weak London forces
    • Strong covalent bonds

  9. Which feature allows graphite to conduct electricity in the solid state?

    • Weak London forces
    • Mobile ions
    • Delocalised electrons
    • Fixed outer electrons

  10. Which of these substances has the highest melting temperature?

    • Sodium chloride
    • Diamond
    • Copper
    • Iodine

  11. Why does silicon dioxide have a much higher melting temperature than carbon dioxide?

    • Giant covalent lattice
    • Metallic lattice
    • Ionic lattice
    • Simple molecular

  12. Which feature of its structure makes diamond exceptionally hard?

    • Rigid covalent network
    • Weak London forces
    • Delocalised electron sea
    • Strong ionic lattice

  13. Which property in the solid state best indicates metallic bonding?

    • Brittle crystalline lattice
    • Low melting temperature
    • High electrical conductivity
    • High water solubility

  14. What species are present in a giant metallic lattice?

    • Anions and cations
    • Neutral simple molecules
    • Cations and electrons
    • Atoms in networks

  15. How many other carbon atoms is each carbon bonded to within a graphite layer?

    • 4
    • 3
    • 2
    • 6

  16. What holds the carbon layers together in graphite?

    • Strong covalent bonds
    • Weak intermolecular forces
    • Ionic electrostatic attractions
    • Metallic electron sea

  17. A solid melts at 1600 degrees Celsius, is insoluble, and does not conduct as a solid or as a liquid. What is its most likely structure?

    • Giant ionic
    • Simple molecular
    • Giant covalent
    • Giant metallic

  18. Which type of interaction must be overcome when iodine melts?

    • Strong metallic bonds
    • Strong ionic attractions
    • Strong covalent bonds
    • Weak intermolecular forces

  19. Why can metals be hammered into shape without breaking?

    • Ion layers slide
    • Molecules separate easily
    • Ionic repulsions occur
    • Covalent bonds break

  20. What are the melting point and electrical conductivity properties of silicon(IV) oxide?

    • High melting, conducting
    • Low melting, non-conducting
    • High melting, non-conducting
    • Low melting, conducting

All Pearson Edexcel Chemistry quizzes