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Xenon crystallizes in the face-centred c...

Xenon crystallizes in the face-centred cubic lattice and the edge of the unit cell is `620` pm. What is the nearest neighbour distance and what is the redius of xenon atom?

A

`219.20` pm

B

`438.5` pm

C

`290.3` pm

D

`318.53` pm

Text Solution

Verified by Experts

The correct Answer is:
A
For fcc type, `r = (a)/(2sqrt2) = (620 "pm")/(2 xx 1.414) = 219.20` pm
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