Copper crystallises in fcc with a unit c...

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

127 pm

157 pm

181 pm

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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