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Question
Energy gaps between the highest band and the lowest empty bands in elements A, B, C and D are 0,70,530 and 90 kJmol−1. Then,
Energy gaps between the highest band and the lowest empty bands in elements A, B, C and D are 0,70,530 and 90 kJmol−1. Then,
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Solution
The correct option is D all are correct conclusion about elements A, B, C and D
Energy gaps between the highest band and the lowest empty bands is lowest in metals, moderate in semi conductors and very high in insulators. This suggests us that :
Element A must be a metal, element C must be an insulator and element B and D can be semiconductors.
Energy gaps between the highest band and the lowest empty bands is lowest in metals, moderate in semi conductors and very high in insulators. This suggests us that :
Element A must be a metal, element C must be an insulator and element B and D can be semiconductors.
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