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When over a 2 dimensional square packing same layers are kept in the way so that the centres are aligned in all 3 directions, coordination number of each sphere is:

Option: 1

4


Option: 2

6


Option: 3

8


Option: 4

10


Answers (1)

best_answer

The coordination number, in this case, is 6 as there are 4 atoms in the plane, 1 atom is above and 1 atom below the particular atom. 
 
 

Posted by

jitender.kumar

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