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Energy Structure of Solids A solid is a 3-d array of vast numbers of atoms or ions linked in crystalline structure valence electrons are far from nucleus can be detached from the atom if enough energy supplied free to move through crystal Properties depend on how tightly bound electrons are in crystal Insulators electrons tightly bound to host ion need large amounts of energy to break free low numbers of free electrons low conductivity electric currents do not pass easily Metals Electrons very loosely bound to host ions very easy to bre
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submitted by edison (4866 m) on 24 Apr 2007 12:28:17 IST (1 comments 123 views)
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