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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 ?

Text Solution

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We know,
Radius of `Na( if b.c.c.` lattice `)=(sqrt(3)a)/(4)`
`=(sqrt(3)xx4.29)/(4)`
`=1.8574A`
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