Chlorine is a chemical element; it has 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.

2025年3月21日 · Chlorine, chemical element of the halogen group that is a toxic, corrosive, greenish yellow gas, irritating to the eyes and respiratory system. Much chlorine is used to sterilize water and wastes, and the substance is employed either directly or indirectly as a bleaching agent for paper.

2024年11月12日 · Chlorine is used in drinking water in very small doses to kill bacteria. With proper use and handling, it is safe to be around. Still, you should always keep it and other chemicals away from...

2025年3月21日 · Chlorine is a greenish yellow gas at room temperature and atmospheric pressure. It is two and a half times heavier than air. It becomes a liquid at −34 °C (−29 °F). It has a choking smell, and inhalation causes suffocation, constriction of the chest, tightness in the throat, and—after severe exposure— edema (filling with fluid) of the lungs.

2024年9月6日 · Chlorine is a liquid or gas with a strong, irritating smell. Signs and symptoms of chlorine exposure depend on how you were exposed. Get away from the area, get clean, and get help if exposed. Chlorine can explode with many common substances.

2025年3月21日 · Chlorine is produced on a large scale by any of a number of different methods: By electrolysis of a concentrated solution of sodium chloride in water. Hydrogen is generated at the cathode and chlorine at the anode.

What is Chlorine. Chlorine (pronounced as KLOHR-een) is a highly reactive diatomic gas belonging to the family of halogens. Denoted by the chemical symbol Cl, it categorized as a nonmetal [1, 2]. It has 16 isotopes with mass numbers ranging from 31 to 46 of which only Cl-35 and Cl-37 have a natural existence with a stable half-life [3].

Chlorine is the chemical name of Cl. Chlorine is commonly used as antiseptic. Visit BYJU'S to understand the properties, atomic mass of chlorine and uses of Chlorine (Cl) explained by the expert teachers.

2022年7月20日 · Chlorine is the chemical element that constitutes about 0.017 percent of the earth’s crust. Chlorine is a toxic, corrosive gas that is greenish-yellow and irritating to the eyes and respiratory system. There are lots of use and benefits of chlorine which we will discuss later.

2018年5月29日 · Chlorine is a highly poisonous, greenish yellow gas, about two and a half times as dense as air, with a strong, sharp, choking odor. It was, in fact, one of the first poisonous gases used in warfare — in 1915 during World War I (1914 – 1918).