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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, 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 …

  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 - 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.

  5. 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.

  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. 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 …

  8. 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 …

  9. Chlorine – expert written, user friendly element information

    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.

  10. Chlorine (Cl) - Chemical properties, Health and ... - Lenntech

    Chlorine gas is two and one half times as heavy as air, has an intensely disagreeable suffocating odor, and is exceedingly poisonous. In its liquid and solid form it is a powerful oxidizing, bleaching, and …