The structures of diamond and graphite are shown. Which statement about diamond and graphite is not correct ()

A.Diamond is used in cutting tools because the strong covalent bonds make it very harD B.Graphite acts a lubricant because of the weak bonds between the layers. C.Graphite conducts electricity because the electrons between the layers are free to move D.Graphite has a low melting point because of the weak bonds between the layers.

时间:2023-11-02 17:18:45

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