Question

Diamond is the hardest substance known inspite of the fact that the packing fraction and the coordination number of carbon atoms in dc structure is quite low. Explain

Answer 1

The hardest substance known is diamond. [but see note below] Diamond is made up entirely of the element carbon. (Another thing that is made entirely of carbon is graphite, one of the softest substances.) Diamond's hardness is roughly 10.5-14.5 million psi

Answer 2

Explanation:

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