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CBSE Class 12-science Answered

Element crystallizes as BCC. How many atom will be present in the unit cell of the element.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer

The body-centered cubic unit cell has atoms at each of the eight corners of a cube  plus one atom in the center of the cube. Corners will always be 1/8 and 1 in the center.

8 corners x 1/8 = 1 and Body center = 1x1 therefore total 2 atoms per unit cell. So  the unit cell of the element will have 2 atoms.

Answered by | 04 Jun, 2014, 03:23: PM
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