Question

Density of a crystal remains unchanged as a result of

Answer 1

Density of aCrystal remains unchanged .
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Density of a crystal is remains unchanged in Frankel defect.It is a type of stoichiometric defect.

In Frankel defect

One positive ion is present in the interstitial position.instead of is correct lattice position.
lattice remains electricly neutral and electric conductivity increases.

Defect is observed in solids with less coordination number and which are less ionic in size.

Examples are----

Cooper chloride and Silver Bromide.