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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

`18.6.^(@)A`

B

`1.86.^(@)A`

C

186nm

D

1860pm

Text Solution

Verified by Experts

The correct Answer is:
2
In bcc radius of atom `(r)=(sqrt(3)a)/(4)`
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