Theelementsbelonging to group 1,2 and 13-17 is commonly defined as therepresentative elements. The element which is most chemically similar to chlorine isFluorine. The correct option is2.What are halogens?Theelementsof group 17 which consists ofchlorine, fluorine, bromine,iodineand astatine are known ashalogens. All halogens arenon-metals. At room temperature fluorine and chlorine are found to begaseswhereas bromine is aliquid. Iodine and astatine aresolids.The number ofvalence electronsin halogens is 7. They lackone electronto complete theoctet. So most of them formnegative ionsand arehighly reactive. Thefluorineis the most electronegative element.The elements in thesame grouphave thesame numberof valence electrons. Therefore the elements in the same group have similarphysicalandchemical properties.Thus 'F' and 'Cl' have similar properties.Thus the correct option is2.To know more abouthalogens, visit;brainly.com/question/1532828#SPJ2...

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