Going from fluorine, chlorine, bromine to iodine the electronegativity:A. IncreasesB. First decreases then increasesC. DecreasesD. Changes randomly
A. Increases
As you go from fluorine to chlorine, bromine, and iodine in the halogen group of the periodic table, electronegativity increases. Electronegativity is a measure of an atom's ability to attract electrons towards itself when it forms a chemical bond with another atom. Fluorine, being the most electronegative element, has the highest ability to attract electrons, and as you move down the halogen group, the electronegativity decreases, but it still increases relative to the other elements in the periodic table. Therefore, the trend for electronegativity from fluorine to chlorine, bromine, and iodine is to increase.
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