In a cubic structure of compounds which is made from $X$ and $Y$, where $X$ atoms are at the corners of the cube and $Y$ atoms are at the face centers of the cube, the molecular formula of the compound is:

Q. In a cubic structure of a crystal which is made from X and Y, where X atoms are at the corners of the cube and Y at the face centres of the cube. The molecular formula of the compound is :

Q. A compound formed by elements X and Y crystallizes in a cubic structure in which the X atoms are at the corners of a cube and the Y atoms are at the face - centered . The formula of the compound is :-

Q. A crystal formed by two elements $X$ and $Y$ in cubic structure. $X$ atoms are at the corners of cube while $Y$ atoms are at the face center. The formula of he compound will be: