Question

Name the non-metal which is hard in nature.​

Answer 1

Answer:

Carbon is a non-metal that can exist in different forms. Each form is called an allotrope. Diamond is an allotrope of carbon and it is the hardest natural substance known.

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Answer 2

Answer:

Carbon

Explanation:

Carbon is a non-metal that can exist in different forms. Each form is called an allotrope. Diamond is an allotrope of carbon and it is the hardest natural substance known.

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