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 …

Dec 10, 2025 · Chlorine was the first gas used in chemical warfare in World War I. The gas is easily liquefied by cooling or by pressures of a few atmospheres at ordinary temperature. …

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 …

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 …

Nov 12, 2024 · Being exposed to chlorine liquid or gas poses many health risks. Learn about the symptoms and treatment options today.

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 …

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 …

Chlorine is a respiratory irritant. The gas irritates the mucus membranes and the liquid burns the skin. As little as 3.5 ppm can be detected as an odor, and 1000 ppm is likely to be fatal after a …

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.