In sodium chloride,$Cl^-$ ions form a $ccp$ arrangement. In this structure,where are the $Na^+$ ions located?

Which of the following metals has a $ccp$ crystal structure?

The crystal $AB$ has a structure similar to $NaCl$. Atoms of $A$ are present at each corner of the cubic unit cell. If all atoms along one of the axes passing through the face centers are removed,what will be the resulting stoichiometry?

Body centered cubic lattice has a coordination number of

The sum of the number of first and second nearest neighbors in an $FCC$ closed packing is:

Which of the following contains rock salt structure?