Question

3.
Explain interstitial voids.​

Answer 1

Answer:

When same sized spheres (hard balls) are packed in three dimensions, void spaces are present between the spheres. These voids are called interstitial voids. The size of the interstitial sites is always smaller than the common five atoms which sit there

Explanation:

Answer 2

Answer:

Vacuums in solid states mean empty space in a closed packed system between the constituent particles. Such empty spaces are known as the openings, interstices or interstitial voids