Solid State Class 12 Chemistry Maharashtra Board Textbook Solution

3. Answer the following in brief.

ix. Cu crystallizes in fcc unit cell with edge length of 495 pm. What is the radius of Cu atom?

Answer:-

Given : a = 495 pm
Radius, r = ?
For fee structure,
radius = r = a/22=495/2× 2= 175 cm.
Radius of Cu atom = 175 pm

Solid State Class 12 Chemistry Maharashtra Board Textbook Solution