In a body-centered cubic array of uniform size spheres, the coordination number of each sphere is:

Question

Quizplus · Accepted Answer

In a body-centered cubic array, each sphere is surrounded by 8 adjacent spheres in the same layer, and an additional 6 adjacent spheres in the layer above and the layer below. Therefore, each sphere has a coordination number of 8 + 6 = 14/2 (since each shared sphere counts as half), which is equal to 8.

In a Body-Centered Cubic Array of Uniform Size Spheres, the Coordination