Allotropes of Carbon

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Allotropes of Carbon

• (A) Diamond

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(B) Graphite


conjugated system (CC-CC-C)
The London forces allow the covalent network
planes to slide past each other so that graphite
can be used in pencils and as a lubricant.
London forces
Graphite is a conductor because the electrons in
the ? bonds are delocalized (free to move from
one end of the sheet to the other).
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(C) Bucky Balls