In aclosed packed array of N spheres ,the octahedral holes are :

In a close packed array of N spheres, the number of tetrahedral holes are

In a close packed array of N spheres, the number of tetrahedral holes are

In a close packed array of N spheres, the number of tetrahedral holes are

In a close pack array of n spheres, the number of tetrahedral holes are :

A compound is formed by two elements M and N. Element N forms hexagonal closed pack array with 2/3 of the octahedral holes occupied by M. The formula of the compound is:

In octahedral holes (voids):

In octahedral holes (voids):

The number of octahedral and terhedral sides in a cubical closed packed array of N spheres respectively is