Question:
Which of the following statements are true about metals?
(i) Valence band overlaps with conduction band.
(ii) The gap between the valence band and the conduction band is negligible.
(iii) The gap between the valence band and the conduction band cannot be
determined.
(iv) Valence band may remain partially filled.
Solution:
Option (i), (ii) and (iv) are the answers.