Lead (II) sulphide crystal has NaCl structure. What is the distance between Pb^(2+) and S^(2-) in PbS if its density is 12.7 cm^(-3) ? (At mass of Pb = 207)

Lead (II) sulphide crystal has NaCl structure. What is the distance be

1.	Lead (II) sulphide crystal has NaCl structure. What is the distance between Pb^(2+) and S^(2-) in PbS if its density is 12.7 cm^(-3) ? (At mass of Pb = 207)
Answer» SOLUTION :Distance between `PB^(2+)` and `S^(2-)` IONS =`a/2` (as it has NaCl STRUCTURE)