NEET 2015 Chemistry question
Not in JEE Main or NEET syllabus
A given metal crystallizes out with a cubic structure having edge length of 361 pm. If there are four metal atoms in one unit cell, what is the radius of one atom?
Answer: (1)
Solution
A cubic unit cell containing four atoms is face-centred cubic: . In fcc the atoms touch along the face diagonal: , so
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