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Energy Band Diagrams

An element ge...

Question

An element germanium crystallies in bcc type crystal structure with edge of unit cell $288 p m$ and the density of the element is $7.2 g c m^{- 3}$ . Calculate the number of atoms present in $52 g$ of the crystalline element. Also calculate atomic mass of the element.

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Solution

Given: $d e n s i t y, d = 7.2 g c m^{- 3}$
$m a s s, m = 52 g$
$a = 2.88 p m$ .

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