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Chromium metal crystallizes in a body ce...

Chromium metal crystallizes in a body centred cubic lattice. The length of the unit cell edge is found to be 287 pm. Calculate the atomic radius of chromium.

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The correct Answer is:
124.13
a=287 pm
For a body-centred cubic unit cell, radius (r) = `(a xx sqrt3)/(4)= (287 xx sqrt3)/(4) =(287 xx 1.73)/(4)` = 124.13 pm
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