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Sodium metal crystallizers in B.C.C. lat...

Sodium metal crystallizers in B.C.C. lattice with edge length of 4.29 A^o. The radius of sodium atom is

A

`2.145 Å`

B

`2.857Å`

C

`1.857Å`

D

`1.601Å`

Text Solution

Verified by Experts

The correct Answer is:
C
Edge length `a = 4.29Å`
For B.C.C. lattice
`r = ( sqrt( 3) a )/( 4) = ( sqrt( 3))/( 4) xx 4.29`
`= 1.857 Å`
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