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Examine the illustration of a portion of...

Examine the illustration of a portion of the deffective crystal and answer the following question :
(a) What are these type of vacancy defects called ?
(b) How is the density of a crystal affected by these defects ?
(c) Name one ionic compound which can show this type of defect in the crystalline state.
(d) How is the stoichiometry of the compound affected ?

Text Solution

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The density of crystals decreases because certain ions are missing from the lattice.
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