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Copper crystallises in fcc with a unit cell length of 361 pm. What is the radius of copper atom?A. 108 pmB. 127 pmC. 157 pmD. 181 pm |
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Answer» Correct Answer - B In fcc unit cell, (a=361 pm) `4r=sqrt(3)a` `r=(sqrt(3))/(4)a` `=(sqrt(3))/(4)xx361` `r=127pm` |
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