Answer :

Structure of graphite


i. In graphite, every carbon atom is bonded to three other carbon atoms by covalent bonds.


ii. A graphite crystal is hexagonal.


iii. The regular arrangement of atoms in graphite is in hexagonal layers.



Property – A good lubricant


iv. The layers are loosely bounded with each other.


v. As there is a weak force of attraction present between them, hence the layers slide with each other.


vi. This makes the graphite slippery and thus it used as a lubricant.


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