1. Tardigrade
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  3. Chemistry
  4. Density and edge length of a ccp crystal respectively are 5 g cm -3 and 200 pm. The number of unit cells in its 8 gram is

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Q. Density and edge length of a ccp crystal respectively are $5\, g cm ^{-3}$ and $200\, pm$. The number of unit cells in its $8$ gram is

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Solution:

Correct answer is (a) $2 \times 10^{23}$