The interplanar spacing of (220) planes of a FCC structure is 1.7458 Å. Calculate the lattice constant. a) 4.983 Å b) 2.458 Å c) 0

H1.

4. Consider a simple cubic system with lattice constant a = 5 Å. Determine the atom density (atoms/cm²) for the (100), (110), and (111) planes.