How many octahedral tetrahedral voids are per sphere in a unit cell ?

How many octahedral and tetrahedral holes are present per unit cell in a face centred cubic arrangement of atoms ?

How many octahedral and tetrahedral holes are present per unit cell in a face centred cubic arrangement of atoms ?

For one mole close packed spheres, how many octahedral and tetrahedral voids are present?

It was found that in 30 unit cells of ZnS, four atoms are of trivalent metal. How many vacant tetrahedral voids are present in 30 unit cells of ZnS?

How many number of tetrahedral voids in the face centred unit cell are present?

How many tetrahedral and octahedral voids are present if the number of close packed sphere in two layers is N ?