Type of solids#!#Number of atoms in unit cell

Na and Mg crystallize in bcc- and fcc-type crystals, the ratio of number of atoms present in the unit cell of their respective crystal is

In a HCP unit-cell, if total number of atoms per unit cell gets halved, then what is the percentage void in unit cell ?

The unit cell of a simple cubic system has atoms at the eight corners. Hence, number of atoms in an unit cell is

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

A cubic unit cell has one atom on each corner and one atom on each body diagonal. The number of atoms in the unit cell is

The coordination number and number of carbon atoms in a unit cell of diamond is :-

How is simple cubic unit cell formed ? Calculate the number of atoms in a simple unit cell.