The Solid State - Result Question 18

####18. A metal crystallizes with a face-centered cubic lattice. The edge length of the unit cell is 408 pm. The diameter of the metal atom is : [2012]

(a) 288pm

(b) 408pm

(c) 144pm

(d) 204pm

Show Answer

Solution:

  1. (a) For fcc structure, 2a=4r

2×4082=2r(2r= Diameter ) Diameter =288.5288pm



NCERT Chapter Video Solution

Dual Pane