Question
Chemistry Question on Unit Cells
The co-ordination number of bcc crystal is:
A
8
B
6
C
4
D
2
Answer
8
Explanation
Solution
In body centred cubic (bcc) crystal, the central atom remains in contact with 8 atoms, situated at 8 corners of the cubic-lattice. Thus, the co-ordination number of bcc crystal is 8.