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Sodium metal crystallises in body centre...

Sodium metal crystallises in body centred cubic lattic with cell edge `4.29 Å` .What is the radius of sodium atom ?

A

5.72 Å

B

0.93 Å

C

1.86 Å

D

3.22 Å

Text Solution

Verified by Experts

The correct Answer is:
C
For BCC, `r=sqrt3/4 a =1.732/4xx4.29 Å=1.86 Å`
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