Chemistry: The Molecular Science (5th Edition)

Published by Cengage Learning
ISBN 10: 1285199049
ISBN 13: 978-1-28519-904-7

Chapter 9 - Liquids, Solids, and Materials - Questions for Review and Thought - Topical Questions - Page 421d: 78


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Work Step by Step

With a conductor, a partially filled valence band allows electrons to flow easily. In semiconductors, there is a small gap between the conduction and valence band. This prevents electrons from flowing as easily as in conductors, but the low energy difference between the bands still makes electron transfer relatively easy.
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