CBSE Notes, Lectures

CBSE - Chemistry - Metals and Non-metals

Metals and Non-metals

Short Answer Type

A non-metal X exists in two different forms Y and Z. Y is the hardest natural substance, whereas Z is a good conductor of electricity. Identify X, Y and Z

X is carbon. Diamond and graphite are allotropes of carbon. Diamond is the hardest natural substance and hence Y is diamond. Graphite is a good conductor of electricity and hence Z is graphite.

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