Question

Write differences between diamond and graphite.

Answer 1

S.No.	Properties	Graphite	Diamond
(i)	Hard/Soft	It is a hazy/ opaque substance on touch. It is smooth and slippery.	Transparent, hard easily cracks.
(ii)	Structure	In graphite carbon atom on same surface joins three carbon and form a hexagonal structure. Such surface are bonded with weak bonds hence they can slide on each other. So, they are soft.	In diamond it joins with other nearest four carbons and forms a hard three dimensional structure.
(iii)	Electricity Conduction	It is good conductor of electricity.	It is bad conductor of electricity but good conductor of heat.
(iv)	Use	It is used in electric arc and dry cells.	It is used in jewellery, cutting, grinding, hole passing etc.