Question

The number of nearest neighbours in a bcc unit cell is ______.

Options

• 12

• 8

• 6

• 4

Answer 1

The number of nearest neighbours in a bcc unit cell is 8.

Explanation:

In a bcc (Body-Centered Cubic) unit cell, the atom at the center of the cube is directly touched by the atoms at the eight corners. Therefore, its number of nearest neighbors (coordination number) is 8.