The number of tetrahedral and octahedral voids in CCP unit cell are respectively

A unit cell is obtained by closed packing layers of atoms in ABAB …… pattern. The total number of tetrahedral and octahedral voids in the unit cell are respectively

A unit cell is obtained by closed packing layers of atoms in ABAB …… pattern. The total number of tetrahedral and octahedral voids in the unit cell are respectively

In hexagonal close packing, the difference in the number of tetrahedral and octahedral voids in a unit cell is

Distinguish tetrahedral and octahedral voids.