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An element having FCC structure containing 12.08×10^23 atoms in unit cell,  The total number of atoms in the cell is

 

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Lattice points in BCC are at corners and body center of unit cell.

For body centered cubic (BCC), Z=2

We know, number of atoms = Z \times number\ of\ unit\ cells                             

\\ = 2 \times (12.08 \times 10^{23}) \\ = 24.16 \times 10^{23}

Thereore, total number of atoms are 24.16 \times 10^{23}

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HARSH KANKARIA

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