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  • Sodium has body centred packing. Distance between two nearest atoms is 3.7 . The lattice parameter i

Sodium has body centred packing. Distance between two nearest atoms is 3.7 {\rm \AA}. The lattice parameter is:

Option: 1

4.3 {\rm \AA}


Option: 2

3.0 {\rm \AA}


Option: 3

8.6 {\rm \AA}


Option: 4

6.8 {\rm \AA}


Answers (1)

best_answer

 

For\, \, bcc

__________

\sqrt{3a}=4R

\frac{\sqrt{3a}}{2}=2R

a=\frac{2\times 3.7}{\sqrt{3}}=4.3A\dot{}

Option (1) is correct answer.

Posted by

manish

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