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Sodium metal crystallises in body centre...

Sodium metal crystallises in body centred cubic lattic with cell edge 427 pm .Thus radius of sodium atom is

A

18.6 Å

B

1.86 Å

C

186 nm

D

1860 pm

Text Solution

Verified by Experts

The correct Answer is:
B
In BCC radius of atom `r = (sqrt3 a)/(4)`
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