![]() ![]() Chloride exists in ionic compounds such as sodium chloride, calcium chloride and HCl. The electron configuration of chloride is 1 s 2 2 s 2 2 p 6 3s 2 3p 6. Therefore, it has 18 electrons and seventeen protons. Chloride is a monovalent ion with -1 charge. Chloride is represented by the symbol Cl –. Further it is used in manufacturing of a wide range of consumer products like food, insecticides, paints, petroleum products, plastics, medicines, textiles, solvents.Ĭhloride is the resulted anion when chlorine abstracts an electron from another electropositive element. Chlorine is mainly used as a disinfectant in water purification. Then at the anode, chlorine gas can be collected. Chlorine is mainly produced by the electrolysis of sodium chloride solutions. However, it cannot oxidize fluoride to give fluorine. Therefore, it is able to oxide the anions of elements, which are located below chlorine in the periodic table. It can release bromine and iodine from bromide and iodide salts respectively. Chlorine has all the oxidation numbers varying from -1 to +7. When chlorine gas is dissolved in water, it forms hydrochloric acid and hypochlorous acid, which are highly acidic. In the atmosphere, 35Cl present in 75.77% and 37Cl present in 24.23%. Among all the chlorine isotopes, Cl-35 and Cl-37 are the most stable isotopes. Chlorine has a melting point of -101.5 ☌ and a boiling point of -34.04 ☌. Under room temperature, chlorine exists as a diatomic molecule (Cl 2). The atomic weight of chlorine is 35.453 amu. Chlorine has a very high electronegativity, which is about 3, according to the Pauling scale. Since the p sub level should have 6 electrons to obtain the Argon noble gas electron configuration, chlorine is able to attract an electron. Its electron configuration is written as 1 s 2 2 s 2 2 p 6 3s 2 3p 5. The atomic number of chlorine is 17 thus, it has seventeen protons and seventeen electrons. It is a halogen (17 th group) in the 3 rd period of the periodic table. Chlorine and chloride has different physical and chemical properties due to the change of one electron.Ĭhlorine is an element in the periodic table, which is denoted by Cl. All metals react with chlorine, forming chlorides. Likewise, chlorine also has to get an electron to achieve the electron configuration of the noble gas, Argon. Therefore, elements try to react with other elements, to gain the noble gas electron configuration to achieve stability. ![]() The elements in the periodic table are not stable except the noble gases. ![]()
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