Number of atoms per unit cell for Body Centered Cubic system is

What is the number of atoms per unit cell in a body centred cubic structure ?

What is the number of atoms per unit cell in a body centred cubic structure ?

What is the number of atoms per unit cell in a body centred cubic structure ?

The total number of atoms per unit cell of a face centred cubic crystal is

The number of atoms per unit cell in a body centred cubic arrangement is :

Calculate the number of atoms per unit cell in the following : Body centred cubic unit cell (bcc) ii) Face centred cubic unit cell (fcc)