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 …

Dec 10, 2025 · 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 …

Sep 6, 2024 · 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 …

Element Chlorine (Cl), Group 17, Atomic Number 17, p-block, Mass 35.45. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

Jan 21, 2025 · What is Chlorine? Chlorine is a greenish-yellow gas at room temperature, known for its powerful disinfectant properties and pungent odor. As a member of the halogen group, it is highly …

Chlorine is a greenish-yellow, diatomic, dense gas with a sharp smell (the smell of bleach). It is not found free in nature as it combines readily with nearly all other elements.

Chlorine is one of the halogen family of elements and the first of that family to be discovered. Swedish chemist Carl Wilhelm Scheele produced chlorine in 1774 by the reaction of manganese dioxide …

Dec 19, 2025 · Swallowing chlorine can harm your throat, esophagus, and digestive system. Inhaling chlorine can injure your nose, throat, and lungs, and getting it on your skin or eyes can lead to burns. …

Discover the essential role of Chlorine, Element 17, in modern life. Learn about its physical and chemical properties, uses in industry and medicine, and importance in biological systems.

Chlorine (chemical symbol Cl, atomic number 17) is a nonmetal that belongs to a group of chemical elements known as halogens. At ordinary temperatures and pressures, pure chlorine is a highly …