Correct option is C
The correct answer is
(c) Graphite.
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Graphite, a form of
carbon, is a non-metal that is an excellent conductor of electricity. This is due to the free electrons in its structure, which allows electrical conductivity.
Information Booster:
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Bromine: A non-metal that is a liquid at room temperature but does not conduct electricity.
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Hydrogen: The lightest element and a non-metal, but not a conductor of electricity.
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Phosphorus: A non-metal that does not conduct electricity.