Question

In $CsCl$ type structure, the co-ordination number of $C{s}^{+}$ and $C{l}^{-}$ respectively are :

• A. 6,6
• B. 6,8
• C. 8,8
• D. 8,6

Answer 1

Answer: (C)

The coordination number is 8 : 8 in $C{s}^{+}$ and $C{l}^{-}$. The coordination number is 6 : 6 in $N{a}^{+}$ and $C{l}^{-}$.