Question

what is the molecular formula of diamond

Answer 1

The diamond derives its name from the Greek adamas, "untameable" or "unconquerable", referring to its hardness. Diamonds typically crystallize in the cubic crystal system and consist of tetrahedrally bonded carbon atoms. A second form called lonsdaleite with hexagonal symmetry is also found.

Answer 2

it is made up of carbon and so its molecular formula is C