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The density of lead is 11.35 g/cm3 and the metal crystallizes with fcc unit cell. Estimate the radius of lead atom.

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asked Dec 9, 2017 in Chemistry by sforrest072 (157,439 points) ● 61 ● 410 ● 939

The density of lead is 11.35 g/cm3 and the metal crystallizes with fcc unit cell. Estimate the radius of lead atom. (Atomic mass of Pb = 207 g/mol, NA = 6.02 =1023)

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answered Dec 9, 2017 by mdsamim (213,225 points) ● 5 ● 10 ● 15
selected Feb 28, 2018 by sarthaks
 
Best answer

For an fcc unit cell,

So the radius of lead atom is 1.75×10−8cm or 175pm

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