According to the band theory, which of these statements provide(s) an explanation for the high electrical conductivity of metals? I. a completely filled conduction bandII. a valence band overlapping an empty conduction bandIII. a filled valence bandIV. a large gap between the valence band and the conduction band
A) II
B) I and III
C) III
D) III and IV
E) IV

Question

Quizplus · Accepted Answer

The high electrical conductivity of metals is explained by the presence of a valence band overlapping an empty conduction band, allowing electrons to move freely and conduct electricity.

According to the Band Theory, Which of These Statements Provide(s)