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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

`1.601` Å

B

`1.857` Å

C

`2.857 ` Å

D

`2.145` Å

Text Solution

Verified by Experts

The correct Answer is:
B
`a = 4.29 Å`
For bcc , `r = (sqrt(3))/4 a = (sqrt(3))/4 xx 4.19 = 1.857 Å`
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