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Why is the number of octahedral voids is equal to the number of anions???

Why is the number of octahedral voids is equal to the number of anions???
 

Grade:11

1 Answers

Pooja
askIITians Faculty 477 Points
5 years ago
Dear student,
In cubic closed packed structure the anions constitute the crystal lattice.
The octahedral voids are present at the edge centres and the body centre.
If you calculate the number of octahedral voids in fcc case it will turn out to be 4.
And also the Zeff is also 4.

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