NEET Chemistry The Solid State Questions Solved


Fraction of total volume occupied by atoms in a simple cube is

(1) π2

(2) 3π8

(3) 2π6

(4) π6

(4) In a simple cubic system, number of atoms a = 2r

∴ Packing fraction =Volume occupied by one atomVolume of unit cell=43πr3a3=43πr3(2r)3=π6  

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