The formation of the crystalline NaCl lattice from sodium cations and chloride anions is highly exothermic and more than compensates for the endothermicity of the electron transfer process. In other words, the formation of ionic compounds isn't exothermic because sodium wants to lose electrons and chlorine wants to gain them; rather, it's exothermic because of the large amount of heat released when sodium and chlorine ions coalesce to form a crystal lattice.
To conduct nerve impulses, contract and relax muscles, and maintain the right ratio of water and minerals, the human body needs a modest quantity of sodium. For these essential processes, it is estimated that humans require 500 mg of sodium salt every day.
A nose, throat, and eyes might get irritated when exposed to low amounts of chlorine. At greater concentrations, breathing chlorine gas may alter respiratory patterns, cause coughing, and harm the lungs. Chlorine exposure might cause serious additional symptoms. Chlorine exposure may be harmful to workers.
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