Question

    What type of force holds together the layers of

    graphite?
    A Electrostatic bonding Correct Answer Incorrect Answer
    B Dispersion interactions Correct Answer Incorrect Answer
    C Weak van der Waals forces Correct Answer Incorrect Answer
    D Gravitational pull Correct Answer Incorrect Answer

    Solution

    Graphite consists of carbon atoms arranged in layers of hexagonal lattices. These layers are loosely held by weak van der Waals forces, allowing them to slide over one another easily — a property that makes graphite useful as a lubricant and in pencils.

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