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Question
A metallic element crystallizes to bcc type of crystal lattice, having edge length of unit cell 5 A. Calculate radius of its atom.
Options
250.0 pm
176.8 pm
261.5 pm
216.5 pm
MCQ
Solution
216.5 pm
Explanation:
For BCC, `sqrt3`a = 4 r
`(sqrt3 xx 5 xx 10^-10)/4` = r
2.165 × 10-10 = r
r = 216.5 × 10-12 m
= 216.5 pm
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Crystal Structure
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