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A crystal has a face-centered cubic (FCC) structure with an edge length of 4 /AA. The radius of the atoms in the crystal is 1 /AA.What is the packing efficiency of the FCC structure?

Option: 1

33.3%


Option: 2

48.6%


Option: 3

52.4%


Option: 4

74.0%


Answers (1)

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The packing efficiency of a face-centered cubic (FCC) structure is 74%. This is a characteristic property of FCC structures, where atoms are arranged in a closely packed manner with atoms located at the corners and the center of each face of the unit cell. 

 

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Shailly goel

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