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Tungsten crystallizes in body centred cu...

Tungsten crystallizes in body centred cubic unit cell. If the edge of the unit cell is 316.5 pm, what is the radius of Tungsten atom ?

Text Solution

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For bcc unit cell
`r = (sqrt(3)a)/(4)`
`r = (sqrt(3) xx "316.5 pm")/(4)`
`r = (1.732 xx "316.5 pm")/(4)`
r = 137 pm
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