The ratio of the number of atoms present in a simple cubic,body-centered cubic,and face-centered cubic unit cell is,respectively:

By increasing the pressure on $NaCl$ crystal,its coordination number will

In a body-centered cubic $(BCC)$ unit cell,how many metal atoms surround the metal atom located at the center of the cell?

What is the coordination number of the $hcp$ crystal lattice?

Which of the following statements is incorrect?

An ionic compound has a unit cell consisting of $A$ ions at the corners of a cube and $B$ ions on the centres of the faces of the cube. The empirical formula for this compound would be