Question

Diamond is considered the naturally hardest substance known. What makes it
so hard? Explain.

Answer 1

Answer:

All are made up of carbon atoms, but the types of atomic bonds between them differ which gives rise to different material structures and properties. The outermost shell of each carbon atom has four electrons. ... It is this simple, tightly-bonded arrangement that makes diamond one of the hardest substances on Earth.Jan 19, 2016

Explanation:

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