Question

Diamond is the hardest substance known.

• A. True
• B. False

Answer 1

The correct option is A True

• Diamond is the hardest form of carbon.Its structure form a giant molecule where each carbon atom is surrounded by four other carbon atom.So each atom is located in the centre of a regular tetrahedron.
• This network of carbon atom extends in three dimensions and provides it a very rigid structure.
• The hardness of diamond results due to uniformity of the C-C bond length.

Therefore, the give statetment is True.