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Copper crystallises in fcc with a cell l...

Copper crystallises in fcc with a cell length of 361 pm .What is the radius of copper atoms?

A

127 pm

B

157 pm

C

181 pm

D

108 pm

Text Solution

Verified by Experts

For facc unit cell
4 r = `sqrt(2a)`
r = `(sqrt(2) xx 361)/(4) = 127 `pm
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