MCQ
An element (atomic mass $M g / mol$ ) having bcc structure has unit cell edge 400 pm . The density of the element is ........... $g / cm ^3$.
$\left[N_A=6.0 \times 10^{23} \text { atom } mol ^{-1}\right)$
$\left[N_A=6.0 \times 10^{23} \text { atom } mol ^{-1}\right)$
- A`"M"/38.4`
- B`"M"/9.6`
- C`"M"/6.4`
- ✓`"M"/19.2`
