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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

`127.6` pm

B

157 pm

C

181 pm

D

109 pm

Text Solution

Verified by Experts

The correct Answer is:
A
For fcc`n = 4 and r = (a)/(2sqrt(2)) = (360)/(2sqrt(2)) = 127.6` pm
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