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Halogen
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a type of chemical element found in Group 17 of the periodic table, known for being highly reactive and commonly used in disinfectants and lights
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Chlorine is a halogen commonly used in water treatment for its disinfectant properties.
Fluorine, a highly reactive halogen, is often added to drinking water to promote dental health.
The halogens share common properties such as high electronegativity and the ability to gain an electron to achieve a stable electron configuration.
Bromine, a halogen with properties similar to chlorine, is employed as a disinfectant in swimming pools and hot tubs.
