what is halogen .... Q for RR
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The halogens are a group in the periodic table consisting of five chemically related elements: Fluorine, Chlorine, Bromine, Iodine (I), and Astatine.
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halogen are group in the periodic table consist of five chemicallg related element as flourine , chlorine ,bromine , iodne and astatine
the word halogen means salt producing
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