Fluorine, chlorine, bromine, iodine, andastatine make up
Chapter 7, Problem 7.2.12(choose chapter or problem)
Fluorine, chlorine, bromine, iodine, andastatine make up group 17, the halogens.Why are these elements groupedtogether?A They are all very reactive nonmetalswith similar chemical properties.B They are all nonreactive gases withsimilar physical properties.C Their atoms all have 8 electrons in theirouter energy levels.D They all have the same atomic number.
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