If the radius of an atom of an elements ...

If the radius of an atom of an elements is `75` pm and the lattice type is body-centred cubic, what is the edge length of the unit cell?

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The correct Answer is:

1414 pm

For BCC , ` r = sqrt3/ 4 a or a = ( 4r)/sqrt 3 = ( 4xx 75)/ 1.732 = 1.732` pm.

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