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Home  >>  AIMS  >>  Class12  >>  Chemistry  >>  Solid State
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An element A crystallises in fcc structure. 200 g of this element has $4-12 \times 10^{24}$ atoms. The density of A is $7.2 g cm^{-3}$. Calculate the edge length of the unit cell.

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299.9pm
Hence (A) is the correct answer.
answered Jun 2, 2014 by sreemathi.v
 

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