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An element with atomic mass 60 having fc...

An element with atomic mass 60 having fcc structure has a density of `6.23 g//cm^(3)` . What is the edge length of unit cell ?

A

200Pm

B

300 Pm

C

400 Pm

D

500 Pm

Text Solution

Verified by Experts

The correct Answer is:
c
`a_(3) = ( Z xx M )/(No xx P) =(4 xx 60 )/( 6.02 xx 10^(23) xx 6.23 ) = 400 `Pm
`a = 400 Pm`
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