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Calculate the number of atoms in a cube ...

Calculate the number of atoms in a cube based unit cell having one atom on each corner and two atoms on each body diagonal.

Text Solution

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There are total 4 body diagonals and there are 2 atoms at each body diagonal.
Hence number of atoms from 4 diagonals = 8
Number of atoms from 8 corners = 1
`therefore` Total number of atoms in this unit cell `= 8+1=9`
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