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Reactivity of Different Metals with Water

Name a lustro...

Question

Name a lustrous non-metal.

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Solution

Answer:
Generally, nonmetals have a dull appearance and do not have luster.
Because they do not reflect light rays from their outer surface.
But Iodine $(I)$ is an exception, it reflects the falling on its three-dimensional crystal structure.
Conclusion:
Therefore, Iodine $(I)$ is a lustrous non-metal.

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