In fee (or face-centred cubic) crystal, total number of atoms = the number of atoms contributed from corners
- the number of atoms contributed from the faces
= 8 corners X 1/8 atom per corner - 6 faces x 1/2 atom per unit face 2
= 1+3 = 4 atoms
In fee (or face-centred cubic) crystal, total number of atoms = the number of atoms contributed from corners