The Solid State - Result Question 14

####14. The number of carbon atoms per unit cell of diamond unit cell is :

(a) 8

(b) 6

(c) 1

(d) 4

[NEET 2013]

Show Answer

Solution:

  1. (a) Diamond is like ZnS. In diamond cubic unit cell, there are eight corner atoms, six face centered atoms and four more atoms inside the structure (tetrahedral voids).

Total no. of atoms present per unit cell

=8×18+6×12+4=8

 (corners) (face  (inside  centered) body) 



NCERT Chapter Video Solution

Dual Pane