Answer the question number xxxvi
Q.(xxxvi) Define void?

Dear Student,

Voids or interstitial spaces are the gaps present between different spheres of a crystalline solid.They are of 4 types:

1. Triangular voids- Space between 3 spheres in 2D is called as triangular void.

2.Tetrahedral voids- It is formed when a sphere is placed above a triangular void.

3.Octahedral void-It is formed when 3 spheres pointing in 1 direction are placed above 3 spheres pointing in the opposite direction.

4.Cubic void- The space present between 8 spheres/particles is called as cubic void.

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