Silver crystallises in a face centred cubic unit cell. Each side of the unit cell has a length of 409 pm. What is the radius of an atom of silver? (Assume that each face centred atom is touching the four corner atoms.)

Silver crystallises in a face centred cubic unit cell. Each side of th

1.	Silver crystallises in a face centred cubic unit cell. Each side of the unit cell has a length of 409 pm. What is the radius of an atom of silver? (Assume that each face centred atom is touching the four corner atoms.)
Answer» For face centred cubic unit cell (fcc) Radius (r) =`(a)/(2sqrt2)=(("409 pm"))/(2sqrt2)` `=(("409 pm"))/(2xx1.414)=144.6"pm"`

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Silver crystallises in a face centred cubic unit cell. Each side of the unit cell has a length of 409 pm. What is the radius of an atom of silver? (Assume that each face centred atom is touching the four corner atoms.)

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