Question

Calculate the packing efficiency of silver from its density, knowing its atomic radius is 159 pm.

Calculate the packing efficiency of silver from its density, knowing its atomic radius is 159 pm.
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Answer #1

Silver crystal have FCC (Face centered unit cell) strucutre.

Number of atoms in FCC = 4

Packing efficiency =

                            = %

                            = %

                            = 74%

Therefore, Packing efficiency of silver is 74%.

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