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Which point defect lowers the density of...

Which point defect lowers the density of crystal ?

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Schottky defect lower the density of ions crystals. This is because in this defect some pairs of cations and anions are missing from their lattice sites. This causes decrease in overall density.
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Which point defect does not lowers density of a crystal.

What is the effect of presence of Schottky defects on the density of the crystal?

Ionic lattic has two major points defects ,(1) Schottky (2) Frenkel defects . Schottkly defects occurs due to the cations - anion pair's missing from the lattice sites . Frenkel defects occurs when smaller ion leaves from its lattic site and fits into an intersitial space.which defect decrease density of the crystal ?

Statement : Due to Frenkel defect the density of the crystalline solid remains same. Explanation : In Frenkel defect, no cations or anions leave the lattice.

Define point defects.

Examine the given defective crystal? Answer the following questions: How is the density of the crystal affected by this defect?

BETTER CHOICE PUBLICATION-THE SOLID STATE-Numerical Problems
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