Copper metal has a face-centred cubic structure with the unit-cell len – InterviewSolution

1.	Copper metal has a face-centred cubic structure with the unit-cell length equal to 0.361 nm. Picturing copper ions in contact along the face diagonal, what is the apparent radius of a copper ion?
Answer» SOLUTION :For a face-centred CUBE, we have RADIUS `=(SQRT(2)a)/4 = (sqrt(2) xx 0.361)/4 nm = 0.128 nm`

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