Copper crystallises in fcc with a unit length of36lpm. What is the rad – InterviewSolution

1.	Copper crystallises in fcc with a unit length of36lpm. What is the radius of copper atom ?
Answer» 157 pm 128 pm 108 pm 181 pm Solution :For fcc, `r=(sqrt(2)a)/(4)=(a)/(2sqrt(2))=0.3535a` GIVEN `a=3.61` pm `r=0.3535xx361` =128 pm

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