Chemistry - Solid State Question with Solution | TestHub

In FCC, No. of atoms per unit cell $=4$ $\begin{array}{rl}\text{ Mass of unit cell }& =\text{ Mass of }4\text{ atoms }=4\times 6\times 10^{-23}\mathrm{g}\\ & =24\times 10^{-23}\mathrm{g}=2.4\times 10^{-22}\mathrm{g}\end{array}$