Gold crystallises in ccp structure. The total number of voids prese...
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19Gold crystallises in ccp structure. The total number of voids present in 197g of gold will be [Au = 197]
(1) \( 197 \times \mathrm{N}_{\mathrm{A}} \)
(2) \( 2 \mathrm{~N}_{\mathrm{A}} \)
\( \mathrm{P} \)
(3) \( 3 \mathrm{~N}_{\mathrm{A}} \)
(4) \( 4 \times 197 N_{A} \)
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