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Diamond and graphite are allotropes of carbon. What is meant by an allotrope

      

a) Diamond and graphite are allotropes of carbon. What is meant by an allotrope
b) Explain why graphite can be used as a lubricant while diamond cannot

  

Answers


John
a) These are two or more forms of the same element existing under standard conditions

b) Graphite atoms are bonded by covalent bonds to form layers which are in turn held by weak van der waal’s forces making the
layers slide easily over each other. In diamond there are only covalent bonds

johnmulu answered the question on February 3, 2017 at 12:17


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