Calculate the number of octahedral voids of an element having the following arrangement.
(i) Body centred cubic
(ii) Face centred cubic.

Calculate the number of atoms in a face centred cubic unit cell.

The total number of tetrahedral voids in the face centred unit cell is

Calculate the number of atoms present in the unit cell of a monoatomic element of (i) simple cubic (ii) body-centered cubic and (iii) face-centered cubic lattices.

Calculate the efficiency of packing in case of a metal crystal for a. Simple cubic b. Body-centred cubic c. Face-centred cubic (with the assumptions that atoms are touching each other).

Calculate the efficiency of packing in case of a metal crystal for a. Simple cubic b. Body-centred cubic c. Face-centred cubic (with the assumptions that atoms are touching each other).

How many atoms can be assigned to its unit cell if an element forms (i) a body centred cubic unit cell (ii) face centred cubic unit cell ?

What is the efficiency of packing in case of a metal crystal for (i) simple cubic (ii) body-centred cubic (iii) face-centred cubic (with the assumptions that atoms are touching each other)

What is the packing fraction in face centred cubic lattice ?

An example of a face centred cubic lattice is