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IMPORTANT
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If same type of atoms are packed in hexagonal close packing and cubic close packing separately, then

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Important Questions on Solid State

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The radius of an atom is 300 pm. If it crystallizes in a face-centered cubic lattice, the length of the edge of the unit cell is:
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A crystalline solid has A -ions at the corners and face centres where as B+ ions are at the body centre and edge centres of the unit cell. The sim ple formula of the compound will be
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Schottky defect in crystals is observed when: