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Sodium metal crystallizes in a body cent...

Sodium metal crystallizes in a body centred cubic lattice with a unit cell edge of 4.29 Ã…. The radius of sodium atom is approximately :

A

`5.72overset(@)A`

B

`0.93overset(@)A`

C

`1.86overset(@)A`

D

`4.29overset(@)A`

Text Solution

Verified by Experts

The correct Answer is:
3
For bcc, `r=sqrt(3)/(4)a, r=sqrt(3)/(4)xx4.29=1.86overset(@)A`
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