Calculate the total volume occupied by all particles in fcc unit cell if volume of unit cell is $6.4 \times 10^{-23} \mathrm{~cm}^3$

What is the total number of unit cells shared by each corner particle of bcc unit cell?

Calculate the number of particles present per unit cell if mass of a particle is $8.0 \times 10^{-23} \mathrm{~g} \left[\rho \times a^3=3.2 \times 10^{-22} \mathrm{~g}\right]$

Calculate the edge length of unit cell if a metal with atomic radius 128 pm forming fcc unit cell structure.