A fcc element (at.mass 60 ) has a edge length of 400 pm.what is its density ?

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Vikash Kumar · Answer 1 · 2019-05-22T02:47:25+0000

Unit-cell edge length =400pm=400×10⁻¹⁰cm

Volume of unit cell

=(400×10⁻¹⁰cm)³=64×10−24cm³

Mass of the unit cell =Number of atoms in the unit cell × Mass of each atom