GK
PHYSICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Conductors have ____ electrons in their last orbit ring.
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1-3
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4
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5-8
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0
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Explanation:
Detailed explanation-1: -The valency of semiconductor (Ge or Si) is four, hence it has 4 valence electrons in the outermost orbit of the Ge or Si-atom.
Detailed explanation-2: -Group VIIIA elements: He, Ne, Ar, Kr, Xe all have 8 electrons in the valence shell.
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