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Sodium metal crystallizes in body centre...

Sodium metal crystallizes in body centred cubic lattice with the cell edge, `a=4.29Å`. What is the radius of sodium atom?

A

`sqrt(2)`a

B

`(a)/(sqrt(2))`

C

2a

D

`2sqrt(2)`a

Text Solution

Verified by Experts

`4r = sqrt(3)a " " r = (4.29 xx sqrt(3))/(4) = 1.86 `Å
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