Which one of the following statements is NOT correct ?
- A.Buckminsterfullerene is an allotrope of carbon
- B.Diamond is a good conductor of electricity
- C.Graphite is a good conductor of electricity
- D.In graphite, each carbon atom is linked to three other carbon atoms
Show answer
This statement is false, because diamond is an electrical insulator: all four valence electrons of each carbon atom are locked in covalent bonds, leaving no free electrons to carry current.
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