Number of atoms in unit cell

The number of atoms in a unit cell of a cubic crystal system is 2, the arrangment of atoms is

What is the number of atoms in a unit cell of face-centred cubic crystal ?

The number of atoms in a unit cell of a cubic crystal system is 2, the arrangement of atoms is (A) body centred cubic

The number of atoms per unit cell in bcc lattice is

In a simple or primitive unit cell, what is the number of atoms per unit cell ?

Number of atoms per unit cell, if atoms are present at the corner of unit cell and 2 atoms at each body diagonal