Sodium Chloride is an alkali halide with an fcc crystal structure. The basis is two ions ... with the major contribution to charge transport from positive ion vacancy motion.

Sodium becomes a positive ion and chlorine becomes a negative ion. The positive and negative ions attract each other and form the ionic compound sodium chloride. A sodium and chlorine atom are near ...

The positive areas of the water molecules surround the negative Chloride ions. The negative areas of the water molecules surround the positive sodium ions. As the attractions from the water molecules ...