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Sodium Chloride, NaCl. The classic case of ionic bonding, the sodium chloride molecule forms by the ionization of sodium and chlorine atoms and the attraction of the resulting ions. An atom of sodium has one 3s electron outside a closed shell, and it takes only 5.14 electron volts of energy to remove that electron. The chlorine lacks one electron to fill a shell, and releases 3.62 eV when it acquires that electron (it's electron affinity is 3.62 eV).
In solid table salt (sodium chloride or NaCl), the atoms of sodium and chlorine are locked to each other in ionic bonds, and these molecules are, in turn, locked into a crysta â¦ l matrix. There are no free electrons in this structure that are available to support the flow of electric current.That's why salt in its solid form won't conduct electricity. It's a different story when sodium chloride is in aqueous solution or is molten.  In solution, salt molecules will dissociate.n solid table salt (sodium chloride or NaCl), the atoms of sodium and chlorine are locked to each other in ionic bonds, and these molecules are, in turn, locked into a crysta â¦ l matrix. There are no free electrons in this structure that are available to support the flow of electric current.