Q. The number of carbon atoms per unit cell of diamond unit cell is
A) 4
B) 8
C) 6
D) 1
Explanation
[Solution from source] Diamond has an fcc arrangement (4 atoms per cell) with half of the 8 tetrahedral voids also occupied (4 more atoms), giving 8 carbon atoms per unit cell. 4 counts only the fcc lattice points. Answer (2).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.