Graphite

Graphite Quiz

Spec 3.2.3 · Oxford AQA IGCSE Chemistry: Quiz

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5 questions, one answer each

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  1. 1. How many covalent bonds does each carbon atom form in graphite?

    • A. Two
    • B. Three
    • C. Four
    • D. Five

  2. 2. What holds the layers of graphite together?

    • A. Strong covalent bonds
    • B. Ionic bonds
    • C. Weak forces
    • D. Metallic bonds

  3. 3. Why is graphite soft and slippery?

    • A. It has delocalised electrons
    • B. Its layers can slide over each other easily as there are no bonds between them
    • C. It has a low melting point
    • D. It is a simple molecule

  4. 4. Why can graphite conduct electricity, unlike diamond?

    • A. Graphite has more protons than diamond
    • B. Graphite has one delocalised electron per carbon atom, diamond has none
    • C. Graphite is a metal
    • D. Graphite has ionic bonds

  5. 5. Graphite has a high melting point despite being soft. What best explains this apparent contradiction?

    • A. The covalent bonds within each layer are strong even though the forces between layers are weak
    • B. Graphite has ionic bonds inside each layer
    • C. Graphite melts by breaking weak forces between layers only
    • D. Graphite does not actually have a high melting point

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