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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 a body centered cubic, unit cell arrangment
`(sqrt(3))a = 4r`
`(sqrt(3) xx 316.5)/(4) = r`
`r omega = 137.04` pm
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