5 billion kilograms (23 billion pounds) of the element were produced in the United States. H2O + Cl2 → HCl + HClO Uses of Chlorine gas – Cl 2 Chlorine gas was used by the Germans as a chemical weapon against the allied troops during the First World War. Dec 10, 2025 · chlorine (Cl), chemical element, the second lightest member of the halogen elements, or Group 17 (Group VIIa) of the periodic table. At ordinary temperatures and pressures, pure chlorine is a highly reactive, poisonous gas with a greenish-yellow color and an unpleasant odor. Used in odour control and in the control of filamentous organisms in the activated sludge process. It has a poisonous greenish-yellow gas and reacts with many elements and compounds as a strong oxidizing agent. 45. Chlorine - Periodic Table - Atomic Number - Mass - Radius - Density. It is a non metal with the symbol Cl. 3p5 and the term symbol of chlorine is 2P3/2. We would like to show you a description here but the site won’t allow us. chlorine (Cl), chemical element, the second lightest member of the halogen elements, or Group 17 (Group VIIa) of the periodic table. Learn more about its physical, chemical, and thermodynamic properties and crystal structure. In water, it dissolves into Na + and Cl − ions. The chloride ion is formed when the element chlorine picks up one electron to form an anion (negatively-charged ion) Cl−. Chlorine is a respiratory irritant. Chlorine is a chemical element that occurs in the gaseous state under normal conditions. You may be familiar with this gas if you are a swimmer because in swimming pools this gas is used to kill germs. Chlorine is a chemical element; it has symbol Cl and atomic number 17. An example is table salt, which is sodium chloride with the chemical formula NaCl. It has a molar mass of 35. Elemental chlorine was first prepared and studied in 1774 by Swedish chemist Carl Wilhelm Scheele. Sodium chloride / ˌsoʊdiəm ˈklɔːraɪd /, [8] commonly known as table salt, is an ionic compound with the chemical formula NaCl, representing a 1:1 ratio of sodium and chloride ions. Element Chlorine (Cl), Group 17, Atomic Number 17, p-block, Mass 35. Chlorine is a chemical element; it has symbol Cl and atomic number 17. Chlorine is a toxic, corrosive, greenish yellow gas that is irritating to the eyes and to the respiratory system. It is a pale yellow-green gas that belongs to the halogen group and has various oxidation states and applications. 3s2. In its neutral form, it consists of a covalently bonded chlorine atom in a molecule. It is very choking gas if inhaled in higher concentrations. Chlorine: description Chlorine is a greenish yellow gas which combines directly with nearly all elements. The ground state electronic configuration of neutral chlorine is [Ne]. Chlorine is a chemical element of the periodic table with chemical symbol Cl and atomic number 17 with an atomic weight of 35. It can be converted to a liquid under pressure or cold temperatures. Chlorine (chemical symbol Cl, atomic number 17) is a nonmetal that belongs to a group of chemical elements known as halogens. By 1810, the scientific consensus was that chlorine was actually a compound that contained oxygen. The chloride ion is larger in size compared to a chlorine atom. Chlorine is a nonmetal with chemical symbol Cl and atomic number 17. The second-lightest of the halogens, it appears between fluorine and bromine in the periodic table and its properties are mostly intermediate between them. Chlorine is a yellow-green gas at room temperature. Dec 6, 2023 · Properties and Structure of Chloride Chloride is a chemical compound with a chemical formula of Cl-. The salts of hydrochloric acid H Cl contain chloride ions and can also be called chlorides. The most common use of chlorine in wastewater treatment is for disinfection. Dec 30, 2019 · Chlorine (Cl) exists as a yellow green gas with a pungent smell. 8. . In comparison to other elements, Chlorine has different structure and radius and therefore it has different atomic mass and density. In 1992, about 10. Jun 8, 2018 · chloride (klōr´īd, klôr´–), chemical compound containing chlorine. It has the atomic number 17 in the periodic table and belongs in Group 17, the Halogens. Apr 25, 2018 · Most chlorine is made via electrolysis of sodium chloride solutions — using an electric current to create a chemical reaction, according to the University of York. Chlorine ranks among the top 10 chemicals produced in the United States. At room temperature, chlorine is a yellow-green gas that is heavier than air and has a strong irritating odor. 45 g·mol-1 and is represented by the negatively charged chloride ion. The second-lightest of the halogens, it appears between fluorine and bromine in the perio Chemical Entities of Biological Interest (ChEBI) is a freely available dictionary of molecular entities focused on 'small' chemical compounds.

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