Calculate the radius of copper atom. The atomic weight of copper is . It crystallises in face…

Calculate the radius of copper atom. The atomic weight of copper is $63\cdot55\text{ g mol}^{-1}$. It crystallises in face centered cubic lattice and has density of $8\cdot93\text{ g cm}^{-3}$ at $298\text{ K}$. ($N_A = 6\cdot023 \times 10^{23}\text{ mol}^{-1}$)