Question

A compound crystallizes in bcc structure. What is unit cell edge length if diameter of its atom is 120 pm?​

Answer 1

Answer:

138.6pm

Explanation:

Given:

Diameter of the atom=120pm =120×10 raise to - 10

To find:

Unit cell edge length (a) =?

Calculation:

For bcc unit cell, r= under root 3 × a/4

Radius =diameter of the atom /2=120×10 raise to - 10/2=60 × 10 raise to - 10

.°. a=4r/root 3 = 4 × 60×10 raise to - 10 / 1.734=138.6pm