What are the two types of allotropes of
carbon? Explain their crystal structures.
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Lonsdaleite: These are also called hexagonal diamond. Graphene: It is the basic structural element of other allotropes, nanotubes, charcoal, and fullerenes. Q-carbon: These carbon allotropes are ferromagnetic, tough, and brilliant crystal structure that is harder and brighter than diamonds.
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The two types of allotropes of carbon are:
- Diamond
- Graphite
Diamond: It is extremely hard, transparent crystal, with the carbon atoms arranged in a tetrahedral lattice. This allotrope of carbon is a poor electrical conductor and an excellent thermal conductor.
Graphite: It is a soft, black, flaky solid, a moderate electrical conductor. The C atoms are bonded in flat hexagonal lattices (graphene), which are then layered in sheets.
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