Diamond is a bad conductor of electricity because its bonding electrons are used in

  • A crystal lattice formation
  • B covalent bond formation
  • C metallic bond formation
  • D coordinate bond formation

The correct answer is B. covalent bond formation

Diamond is a covalent macromolecule, and typical of a covalent substance is an insulator. All valence electrons are localized in well-defined covalent bonds and hence are not free to move through the structure

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