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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).
Sodium is a silvery-white metal and clorine a yellowish-green non-metal. The most common and most popular example of ionic bonds is the combination of these two elements which produces sodium chloride, commonly known as the table salt.In this ionic bonding, an electron from the sodium atom is transferred to the chlorine atom which creates oppositely charged chloride and sodium atoms.t easily decomposes when exposed to water, and it also catches fire easily during this reaction. Bromide, a non-metal, is a liquid with reddish-brown color. As one of the examples of ionic bonds, the chemical bonding that occurs between bromide and potassium produces potassium bromide.