NEETChemistrySolid State
What is an interstitial defect in a crystal?
Options
- AA defect that decreases the density of the substance
- BA defect that causes dislocations in the crystal lattice
- CA defect that results from the addition of foreign atoms
- DA defect that occurs when some particles occupy interstitial sites
Correct answer
D. A defect that occurs when some particles occupy interstitial sites
Step-by-step solution
An interstitial defect in a crystal occurs when some constituent particles (atoms or molecules) occupy interstitial sites.