Materials with partially filled bands are metallic conductors, and materials with only completely filled bands are electrical insulators. Y Part A Explain why the population of the bands affects the conductivity An electrical potential cannot shift electrons from one set of energy levels to the other if the band is partially filled and hence electrons can move witwin the band. If the band is completely filled, electrons cannot move within the band If the band is completely filled, there are no available vacant energy levels to which electrons can be excited. If the band is completely filled, too many electrons can be excited.

Materials with partially filled bands are metallic conductors, and materials with only completely filled bands are electrical insulators. Y Part A Explain why the population of the bands affects the conductivity An electrical potential cannot shift electrons from one set of energy levels to the other if the band is partially filled and hence electrons can move witwin the band. If the band is completely filled, electrons cannot move within the band If the band is completely filled, there are no available vacant energy levels to which electrons can be excited. If the band is completely filled, too many electrons can be excited.

Chemistry & Chemical Reactivity

9th Edition

ISBN:9781133949640

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter22: The Chemistry Of The Transistion Elements

Section22.2: Metallurgy

Problem 3Q

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