1.23     Explain the following terms with suitable examples:

                    (iii) Interstitials

Answers (1)

Interstitial Defect: When some constituent particles (atoms or molecules) occupy an interstitial site as shown in the figure, the crystal is said to have the interstitial defect. This defect increases the density of the substance. Interstitial defects can be shown by non-ionic solids. 

The figure representing the interstitial defect is as shown :