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Diamond is insulator, but graphite is a good conductor. Why? How does graphite functions as a lubricant?

Diamond is insulator, but graphite is a good conductor. Why?
How does graphite functions as a lubricant?
 

Grade:12

2 Answers

vamshi
199 Points
8 years ago
Graphite is used as a solid lubricant, because it is soft. Due to weak vander Waals forcesbetween the layers of graphite, the layers have sliding nature.
SAI SARDAR
1700 Points
8 years ago
diamond is a insulator but graphite is good conductor because graphite have a free electrons.graphite structure is like a layer lke structure.
                             if you like my answer plz approve it.

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