If an atom is present in the centre of the cube,the participation of that atom per unit cell is

$A$ compound is formed by elements $A$ and $B$. This crystallizes in a cubic structure where atoms $A$ are at the corners of the cube and atoms $B$ are at the body center. The simplest formula of the compound is:

In a $ZnS$ type crystal,state the coordination number and the position of the cation.

In an ionic crystal,ion $A$ is present at the corners of the cubic unit cell,and ion $B$ is present at the centers of the faces. What is the formula of this ionic compound?

Which of the following statements is incorrect?

In the rock salt structure,the number of formula units per unit cell is equal to