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Explain how much portion of an atom located at (i) corner and (ii) body-centre of a cubic unit cell is part of its neighbouring unit cell. |
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Answer» SOLUTION :(i) The atom located at the corner of a cubic unit cell is SHARED by EIGHT neighbouring unit cells. Hence, it shares `( 1/8)^(th)` a PORTION of an atom. (ii) The atom located at body-centred shares no portion of it with any neighbouring unit cell. It BELONGS fully to only one unit cell. |
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