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Question

Lithium forms body centred cubic structure. The length of the side of its unit cell is 351 pm. Atomic radius of the lithium will be :-

Options

A.152 pm
B.75 pm
C.300 pm
D.240 pm

Solution

For BCC, r , a = 351 pm
= 151.80 pm
r = 151.80 pm
pm (approx)

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