Question

The number of atoms in a body centred cubic unit cell of a monoatomic elementary substance is equal to

Answer 1

Answer:

2

Explanation:

In a body centred cubic unit cell, at the corners 8 atoms are present and one atom is occupied at the center of the body. we know that 8 corner atoms contribute one atom(8×18=1) and one body centred atom belongs to only one unit cell. So, the total number of atoms in a body centred unit cell is 2