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The radius of an atom of an element is 5...

The radius of an atom of an element is `500` pm. If it crystallizes as a face-centred cubic lattice, what is the length of the side of the unit cell?

A

`176.8` pm

B

`1154.7` pm

C

1414 pm

D

1000 pm

Text Solution

Verified by Experts

The correct Answer is:
C
For fcc `r=(a)/(2sqrt(2))` or `a=2sqrt(2)`
`=2xx1.414xx500=1414` pm.
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