Periodic Table: 17. Chlorine | 24 Feb 2023 | @rey01v

The chemical element chlorine has the atomic number 17 and the symbol Cl. At room temperature, it is a highly reactive yellow-green gas. The halogen family of elements, which also contains fluorine, bromine, iodine, and astatine, includes chlorine as one of its members.

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In both industry and daily life, chlorine is used extensively. In swimming pools, drinking water, and wastewater treatment facilities, it is frequently used as a disinfectant to destroy bacteria and other germs. Several more items, including insecticides, plastics, rubber, and solvents, are made with chlorine.

Despite its benefits, chlorine can be harmful if used incorrectly. Both chemical burns and severe respiratory issues can result from exposure to chlorine gas at high concentrations. During World War I, chlorine gas was infamously employed as a chemical weapon.

Chlorine serves crucial biological purposes in addition to its industrial use. The body needs chloride, a negatively charged chlorine ion, as an electrolyte. It is required for the efficient operation of nerves and muscles and aids in maintaining the balance of fluids within and outside of cells.

Uses of Chlorine

Water Treatment:

Chlorine is commonly used to disinfect drinking water and wastewater to kill harmful microorganisms, such as bacteria, viruses, and parasites. This helps to prevent the spread of waterborne diseases and make water safe for human consumption.

Pool Sanitation:

Chlorine is used to sanitize swimming pools and hot tubs to kill bacteria and other microorganisms that can cause illness. Chlorine is available in various forms, such as tablets, granules, and liquid, and can be added to pool water manually or with automatic dosing systems.

Bleach Production:

Chlorine is a key ingredient in the production of bleach, which is used as a disinfectant, stain remover, and laundry whitener. Chlorine is also used to make other cleaning products, such as disinfectants, sanitizers, and degreasers.

Paper Manufacturing:

Chlorine is used to bleach wood pulp to make paper products, such as tissue paper, printing paper, and cardboard. Chlorine helps to remove lignin, a natural component of wood that can darken paper and weaken its fibers.

Plastics and Rubber Production:

Chlorine is used to make a variety of plastics and rubber products, such as PVC pipes, vinyl siding, and rubber tires. Chlorine is a key ingredient in the production of vinyl chloride, which is used to make PVC.

Pharmaceuticals and Chemicals:

Chlorine is used to make a variety of pharmaceuticals and chemicals, such as solvents, dyes, and pesticides. Chlorine is also used in the production of chlorinated paraffins, which are used as flame retardants and plasticizers in various products.

Conclusion

Chlorine is a versatile element with a wide range of useful applications, but it also has potential negative effects on human health and the environment. It is essential to handle and use chlorine carefully and to take safety precautions. To prevent exposure to chlorine gas and other dangerous substances, proper handling techniques, protective gear, and ventilation are required. We can continue to profit from chlorine's advantages while preserving human health and the environment by assuring safe use and reducing dangers.