What are voids or interstitial sites ?

How are interstitial solids formed ?

Cations are present in the interstitial sites in-

Cations are present in the interstitial sites in _____

What are voids or holes in a crystal?

An element crystallizes in fcc lattice having edge length 400 pm. Calculate the maximum diameter of an atom which can be place in interstitial site without distorting the structure.

An element crystallises in f.c.c. lattice having edge length 400 p m . Calculate the maximum diameter, which can be placed in interstitial sites without disturbing the structure.

What are vacancy and interstitial defects? How do these defects affect the density of a non-ionic crystal?

Which type of defect’ has the presence of cations in the interstitial sites?