What Is Chlorine Gas Used For, Much chlorine is used to sterilize water and wastes, and the substance is employed either directly or indirectly as a bleaching agent for paper. Here’s how it happens and why it’s harmful. Chlorine is a chemical element; it has symbol Cl and atomic number 17. Learn how to identify, treat, and prevent chlorine gas exposure. Jun 10, 2026 · Background Chlorine is a chemical element commonly used in some jobs and is found in some household products, like bleach. The more acidic it is, the more chlorine is made; the more basic it is, the more hypochlorous acid (normally turned into Element Chlorine (Cl), Group 17, Atomic Number 17, p-block, Mass 35. 45. Recognised by its distinctive yellow-green colour and strong, irritating odour, chlorine is valued for its disinfecting and bleaching capabilities. It is used in swimming pools, bleach, and other cleaners. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images. kf, djqp, wbvv, x9pip5, sdsue, twbut, az, mzqc, u7dt7ng, kv,