The number of nearest neighbour and the next neighbour of `Na^(+)` ion in a crystal of NaCl are respectively-

The number of nearest neighbours and next nearest neighbours of an Na^(o+) ion in a crystal of NaCl are, respectively,

The number of nearest neighbours and next nearest neighbours of an Na^(o+) ion in a crystal of NaCl are, respectively,

The number of nearest neighbours and next nearest neighbours of an Na^(o+) ion in a crystal of NaCl are, respectively,

The number of nearest neighbours and that of next nearest neighbours of an atom of a metal with face-centred cubic crystal structure, respectively, are-

How many nearest neighbours are there for Si and O atoms in quartz crystals?

If number of nearest neighbours, next nearest (2nd nearest) neighbour and next to next nearest (3rd nearest) neighbours are x,y and z respectively for body centered cubic unit cell, then calculate value of (xy)/(z) .