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Question
Silver crystallizes in face centred cubic structure, if radius of silver atom is 144.5 pm. What is the edge length of unit cell?
Options
408.6 pm
289.0 pm
428.6 pm
333.7 pm
MCQ
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Solution
408.6 pm
Explanation:
For FCC , r = `(sqrt2"a")/4` = 0.3535 a
144.5 = 0.3535 a
∴ a = 408.7 pm
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