Q32. the binding energy per molecule of nacl (lattice parameter is 0.563nm) is 7.956 ev. k the repulsive term of the potential is of the form where k is a const

Q32. The binding energy per molecule of NaCl (lattice parameter is 0.563nm) is 7.956 eV. K The repulsive term of the potential is of the form where K is a constant. The value of the Modelung constantis (upto three decimal places) (Electron charge e =-1.6x10C; 6=8.854x 10 CN m2)