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    Question

    What characteristic makes metals good conductors of

    electricity?
    A They contain free electrons Correct Answer Incorrect Answer
    B The molecules in them are very close to each other Correct Answer Incorrect Answer
    C The molecules in them collide very freely Correct Answer Incorrect Answer
    D They contain reflecting surface Correct Answer Incorrect Answer

    Solution

    Metals are excellent conductors of electricity primarily because they contain free electrons. These free electrons move easily through the metal lattice, facilitating the flow of electric current.

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