A mineral having the formula `AB_(2)` crystallizes in the `ccp` lattice, with `A` atoms occupying the lattice points. Select the correct statement(s).

A mineral having the formula AB_(2) crytallises in the cubic close-packed lattice, with the A atoms occupying the lattice points. What is the coordination number of the A atoms and B atoms ? What percentage fraction of the tetrahedral sites is occupied by B atoms ?

A mineral having the formula AB_(2) , crystallises in the cubic close -packed lattice, with the A atom occupying the lattice points. The co-ordination number of the A atoms is x, that of B atoms is y. Report your answer ( x- y)

A mineral having the formula XY_(2) crystaillises in the cubic closed packed lattic with the A- atoms occupaying the lattice point .Fraction of the betradral sites occupired by B- atoms is

A compound of A and B crystallizes in a cubic lattice in which A atoms occupy the lattice points at the corners of a cube and two atoms of B occupy the center of each of the cube faces. What is the formula of this compound?

An alloy of copper and gold crystallizes in cubic lattic, in which the Au- atoms occupy the lattice points at the corners of cube and Cu- atoms occupy the centre of each face. The formula of this alloy is :

A compound representing alloy of gold and copper crystallises in a cubic lattice in which gold atoms occupy the lattice points at the corners of a cube and copper atoms occupy the centres of each of the cubic faces. Find formula of compound.