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AP Chemistry
Chlorine gas is a diatomic molecule composed of two chlorine atoms bonded together. It is a pale yellow-greenish gas with a strong odor and is used for various purposes including water disinfection.
Any element from Group 17 (Group VIIA) of the periodic table, including fluorine, chlorine, bromine, iodine, and astatine.
Disinfectant: A substance or agent that kills or inhibits the growth of microorganisms on surfaces.
Oxidizing agent: A substance that accepts electrons from another substance during oxidation-reduction reactions.