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The radius of an indium atom is 0.163 nm. If indium crystallizes in a face-centered unit cell, what is the length of an edge of the unit cell

Respuesta :

Answer: The edge length of the unit cell is 0.461 nm

Explanation:

We are given:

Atomic radius of iridium = 0.163 nm

To calculate the edge length, we use the relation between the radius and edge length for FCC lattice:

[tex]a=2\sqrt{2}R[/tex]

Putting values in above equation, we get:

[tex]a=2\sqrt{2}\times 0.163=0.461nm[/tex]

Hence, the edge length of the unit cell is 0.461 nm

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