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  4. What is the ratio of closed packed atoms to tetrahedral holes in cubic close packing?

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Q. What is the ratio of closed packed atoms to tetrahedral holes in cubic close packing?

NTA AbhyasNTA Abhyas 2020

Solution:

Let number of atoms per unit cell = n for ccp
Then number of tetrahedral voids = 2n
Ratio = 1 : 2