Diamond does not conduct electricity because it?
A
has no free valence electrons
B
is a giant molecule
C
contains no bonded electrons
D
is a solid at room temperature
Verified Correct Answer: A.
Chemical Principles & Mechanism
It does not conduct electricity. Every atom in a diamond is bonded to its neighbours by four strong covalent bonds, leaving no free electrons and no ions .
Source: WAEC / JAMB / NECO Classroom Archive (Record #37284)