Question

The hardestcrystalline form of carbon is
(a) Graphite
(b) Diamond
(c) both , and to (d) Coal​

Answer 1

The hardest crystalline form of carbon is b) diamond

• Among all the allotropes of carbon, diamond is known to be the hardest crystalline structure.
• The three-dimensional structure and high density are the reason that diamond is known to be the hardest crystalline form of carbon.
• Other than diamond, the other crystalline forms of carbon include graphite and fullerene.