Coordination number is:
A)the number of atoms per unit cell
B)the number of atoms in the corners of the unit cell
C)the number of atoms in contact with a given atom
D)the number of atoms in the holes of closest packed structures
E)the number of layers in close packed structures

Question

Quizplus · Accepted Answer

Coordination number is the number of atoms or ions that are in contact with a central atom or ion in a crystal structure. It is not the same as the number of atoms per unit cell, number of atoms in the corners of the unit cell, number of atoms in the holes of closest packed structures or number of layers in close packed structures.

Coordination Number Is