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1 g of X has atoms arranged in cubic packing so as to give best packing efficiency. The possible arrangement is

Answer» <html><body><p><a href="https://interviewquestions.tuteehub.com/tag/simple-1208262" style="font-weight:bold;" target="_blank" title="Click to know more about SIMPLE">SIMPLE</a> cubic<br/>face centred cubic<br/>body certred cubic<br/>hexagonal close <a href="https://interviewquestions.tuteehub.com/tag/packing-1145400" style="font-weight:bold;" target="_blank" title="Click to know more about PACKING">PACKING</a></p>Solution :Packing efficiency of ccp is 74% so it <a href="https://interviewquestions.tuteehub.com/tag/best-390038" style="font-weight:bold;" target="_blank" title="Click to know more about BEST">BEST</a> packing is cubic packing</body></html>


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