atomic numbers of three elements in the Halogen group
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halogensGroup 17 (or VII) in the periodic table consisting of fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At). They share similar chemical properties. electronegativityThe tendency of an atom to attract electrons to itself.
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halogen group elements are
- fluorine (9)
- chlorine (17)
- bromine (35)
- iodine(53)
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