MCQ
An element having atomic mass 115 u, crystallises in bcc structure. The number of unit cells in 1 g of the element will be
- ✓$2.6 \times 10^{21}$
- B$3.8 \times 10^{23}$
- C$8.7 \times 10^{-3}$
- D$6.17 \times 10^{20}$
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