The valence band and conduction band of a solid overlap at low temperature, the solid may be

Question

The valence band and conduction band of a solid overlap at low temperature, the solid may be (A) a metal (B) a semiconductor (C) an insulator (D) None of the above

Tardigrade Admin · Accepted Answer

In metal, either there is no energy gap between the condition band which is partially filled with electrons and valence band or the condition band and valence band overlap each other.

Q. The valence band and conduction band of a solid overlap at low temperature, the solid may be

a metal

a semiconductor

an insulator

None of the above

In metal, either there is no energy gap between the condition band which is partially filled with electrons and valence band or the condition band and valence band overlap each other.