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Lithium metal crystallizes in a body cen...

Lithium metal crystallizes in a body centred cubic crystals. If the length of the side of the unit cell of lithium is `351p m` the atomic radius of the lithium will be

A

151.8 pm

B

75.5 pm

C

300.5 pm

D

240.8 pm

Text Solution

Verified by Experts

The correct Answer is:
A
For bcc structure,
`r = (sqrt3)/(4) a = (sqrt3)/(4)a = (sqrt3)/(4) xx 351 = 151.98 " pm "`.
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