Respuesta :

Answer:

(c) SC unit cell

Explanation:

  • BCC (Body centered cubic ) : In this one atom is present at center of the cell and one at each corner the packing factor of the BCC is 68%
  • FCC( Face centered cubic ): In this one atom is present at the each faces and one at each corner the packing factor of FCC is 74 %
  • SC (Simple cubic ) : In this the atoms are present only at corner its packing factor is 52.4 %
  • HCP (Hexagonal closed pack ) its packing factor is 74.04 %

So from above discussion it is clear that simple cubic has smallest packing factor

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