Question

Calculate the number of atoms in FCC unit cell

Answer 1

${❥}\fbox\red{A}\fbox\orange{N}\fbox\purple{S}\fbox\green{W}\fbox\blue{E}\fbox\pink{R}$

Required answer-:

Corner : $8x$ $\frac{1}{8}$ = $1$ and Face:$6x$$\frac{1}{2}$ = $3$, therefore total $4$ atoms. The face-centred cubic (fcc) has a coordination number of $12$ and contains $4$ atoms per unit cell.

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