For a solid with the following structure, the coordination number of the point `B` is `:`

For a solid with the following structure, the co-ordination number of the point B is

For a solid with the following structure, the co-ordination number of the point B is:

For a solid with the following structure, the co-ordination number of the point A and B resepectively are

In the fluorite structure, the coordination number of cation is:

In the fluorite structure, the coordination number of cation is:

For a solid with the structure shown in Fig, the coordination number of the points of the points A and B, respectively are

For a solid with the structure shown in Fig, the coordination number of the points of the points A and B, respectively are

For a solid with the structure shown in Fig, the coordination number of the points of the points A and , respectively are

For a solid with the structure shown in Fig, the coordination number of the points of the points A and , respectively are

For a solid with the structure shown in Fig, the coordination number of the points of the points A and , respectively are