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Which of the following metals would have the highest packing efficiency?

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in Chemistry – Class 12 by (188k points)
Which of the following metals would have the highest packing efficiency?

(a) Copper

(b) Potassium

(c) Chromium

(d) Polonium

I got this question in an online interview.

The doubt is from Solid State topic in chapter Solid State of Chemistry – Class 12

1 Answer

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Best answer
Correct answer is (a) Copper

Easy explanation: Copper metal bears face-centered unit cells in its crystal structure. Potassium and chromium both have body-centered unit cells whereas polonium is the only known metal to bear a simple cubic structure. FCC structure has the highest efficiency.

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