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Lithium forms body centred cubic structu...

Lithium forms body centred cubic structure .The length of the side of its unit cells is 351 pm.A tomic radius of lithium will be :

A

75 pm

B

300 pm

C

240 pm

D

152 pm

Text Solution

Verified by Experts

The correct Answer is:
D
For body centred cubic unit cell
`asqrt(3)=4r`
`r=(asqrt(3))/(4)=(351xx1.732)/(4)=152`pm
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