Question

The coordination numbers of Na in sodium chloride and Cs in cesium chloride are respectively 1)4,4 2)8,6 3)6,8 4)1,1

This question is from Chemical Bonding..​

Answer 1

Answer:

In NaCl crystal structure, each Na is surrounded by 6 Cl

−

ions and each Cl

−

is surrounded by 6 Na

+

ions.

So co-ordination number of Na is 6.