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  1. 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 …

  2. Chlorine | Uses, Properties, & Facts | Britannica

    Dec 10, 2025 · 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 …

  3. Chlorine | Chemical Emergencies | CDC

    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 …

  4. 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.

  5. 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.

  6. Where Does Chlorine Come From? - Biology Insights

    Chlorine (Cl) is a pale yellow-green element, familiar for its use in swimming pools and household cleaners. Classified as a halogen, this element is known for its extreme chemical reactivity, meaning …

  7. What Is Chlorine Used For? - MedicineNet

    Chlorine is one of the 94 naturally occurring elements on the planet. Chlorine is used as a disinfectant and in manufacturing of PVC, pharmaceutical drugs, detergents, solvents, products for solar energy …

  8. Chlorine - Chemistry Encyclopedia - reaction, water, uses, 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 …

  9. Chlorine (Cl) - Definition, Preparation, Properties, Uses, Compounds ...

    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 …

  10. Chlorine - The Chlorine Institute

    Because of its reactivity and bonding characteristics, chlorine is an essential chemical building block, leading to a myriad of materials that are used to make the products we use every day for public …