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logearav
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Homework Statement
Electrons present in the outermost orbit are valence electrons. If we supply sufficient energy to these electrons they make their transition from valence band to conduction band and electrons in conduction band are termed as conduction electrons. My question is, take for example Silicon whose atomic no is 14 which has 2, 8, 4 as its electronic configuration and has 4 valence electrons. Now we supply energy to these valence electrons they move to conduction band and they become free or conduction electrons. Does it mean that they move to the next higher energy orbit, in my case, from M Shell to N shell or to any other higher shell. Or they go some where else? Where exactly does this conduction electrons reside?