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6.5k views
in Chemistry by (11.2k points)

Show that in a cubic close packed structure, eight tetrahedral voids are present per unit cell.

2 Answers

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by (266k points)
 
Best answer

In ccp, each cube consists of eight cubic components. Number of atoms per unit cell in ccp is

Position of tetrahedral Voids = At the centre of each cubic component Number of tetrahedral voids per unit cell in cubic close packing = 8×1=8 Number of tetrahedral Voids = 8.

+1 vote
by (20.8k points)
[Hint :Draw structure and discuss]

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