Question

20. The unit cell of diamond is made of
(1) 6 carbon atoms, 4 atoms constitute ccp and
atoms occupy half of octahedral voids
(2) 8 carbon atoms, 4 atoms constitute ccp ar
atoms occupy all the octahedral voids
(3) 8 carbon atoms, 4 atoms form fcc lattice a
atoms occupy half of the tetrahedral v
alternately
(4) None of these​

Answer 1

Answer:

option one is correct I guess