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Chemistry, 10.09.2019 20:30 2003loganreed
Silicon crystals are semiconductors. which of the following is a correct reason for the increase in the conductivity of si crystals when a small fraction of si atoms are replaced with those of a different element? a. p atoms introduce additional mobile negative charges. b. p atoms introduce additional mobile positive charges. c. ge atoms have more electrons than si atoms. d. ge atoms are much smaller than si atoms.
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