Chemistry, 25.07.2019 15:30 sarahelisabeth444

Why are the elements fluorine (f), chlorine (cl), and bromine (br) all found in the same group within the periodic table? they all exist as gases at room temperature. they all react with the noble gases. they have similar chemical properties. they are all non-metals that form 1+ ions.

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Why are the elements fluorine (f), chlorine (cl), and bromine (br) all found in the same group withi...