A) Potassium
B) Graphite
C) Diamond
D) Sodium
Correct Answer: C
Solution :
Diamond does not show electrical conductivity due to the absence of free electrons. All carbon atoms are bonded tetra hedrally to four other C atoms. Sodium and potassium are metallic conductors while graphite is a non metallic conductor.You need to login to perform this action.
You will be redirected in
3 sec