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If an element (at. wt. = 50) crystal in ...

If an element (at. wt. = 50) crystal in foc lattice, with a = 0.50 nm. What is the density of unit cel if it contains `0.25 %`. Schottky defects (use `N_(A) = 6 xx 10^(23)`) ? 

A

2.0 g/ cc

B

2.66 g/cc

C

3.06 g/cc

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
`d=(Zm)/(a^(3)N)rArr (4xx50)/((0.5xx10^(-7))^(3)xx6xx10^(23))="2.66 gm/cc"`
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