How does the band gap differ in metals, semiconductors, andinsulators?

Physical Chemistry
2nd Edition
ISBN:9781133958437
Author:Ball, David W. (david Warren), BAER, Tomas
Publisher:Ball, David W. (david Warren), BAER, Tomas
Chapter21: The Solid State: Crystals
Section: Chapter Questions
Problem 21.61E
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How does the band gap differ in metals, semiconductors, and
insulators?

Expert Solution
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Band gap is the energy gap between conduction band and valence band. In metals, the band gap between the two bands is very less. Thus, metals are good conductors of heat and electricity. 

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