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Lithium forms body centred cube structur...

Lithium forms body centred cube structure .The length of the side of its unirt cell is 351 pm Atomic radius of the 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 b.c.c structure, `sqrt(3)a=4r`
`r=sqrt(3)/4a=sqrt(3)/4xx351=152"pm"`
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