# NEET Chemistry The Solid State Questions Solved

BOARD

How many atoms per unit cell(z) are present in bcc unit cell?

Number of atoms in a unit cell of a body centred cubic structure :

Contribution by 8 atoms on the corners

=$\frac{1}{8}$$×$8 = 1

Contribution by the atom presents within the body =1

$\therefore$ Total number of atoms present in the unit cell = 1+1 = 2 atoms

Difficulty Level:

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