Chlorine - Wikipedia
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 …
Chlorine | Uses, Properties, & Facts | Britannica
May 8, 2026 · chlorine (Cl), chemical element, the second lightest member of the halogen elements, or Group 17 (Group VIIa) of the periodic table. Chlorine is a toxic, corrosive, greenish yellow gas that is …
Chlorine | Chemical Emergencies | CDC
May 5, 2026 · 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 …
Chlorine: Uses, Benefits, & Poisoning Risks - WebMD
Nov 12, 2024 · Being exposed to chlorine liquid or gas poses many health risks. Learn about the symptoms and treatment options today.
What Does Chlorine Do? Uses, Risks, and Effects
Apr 29, 2026 · Chlorine is one of the most versatile chemical elements in daily life. It disinfects drinking water, keeps swimming pools safe, whitens laundry, forms a key part of PVC plastic, and even plays …
What Makes Chlorine Gas and Why It’s Dangerous
Mar 25, 2026 · Nearly all commercial chlorine is made through the chlor-alkali process, which passes an electric current through a saltwater solution. The overall reaction breaks down salt (sodium chloride) …
Effects of Chlorine in Water on the Human Body: What to Know
May 21, 2025 · Learn the effects of chlorine in water on the human body from drinking it daily. Find out how to reduce exposure and improve your tap water quality.
The 5 Best Chlorine Alternatives for Swimming Pools 2026 Guide
Feb 9, 2026 · Tired of itchy skin and harsh smells? Discover the alternatives to chlorine for swimming pools that are best for you from pool ionizers, salt, UV, and ozone.
Chlorine Facts, Symbol, Discovery, Properties, Uses
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].
Chlorine - Element information, properties and uses | Periodic Table
Element Chlorine (Cl), Group 17, Atomic Number 17, p-block, Mass 35.45. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.