What is the coordination number in a square close-packed structure in two dimensions?
(a) 2 (b) 3 (c) 4 (d) 6
Answer: (c) 4
Coordination number in a square closed packed structure in two dimensions is equal to 4 as shown below.
What is meant by the term 'coordination number ?
What is the coordination number of atoms
(a) in a cubic close - packed structure ?
(b) in a body - centred cubic structure ?