Why does fluorine have the most electronegativity?
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Fluorine is the most electronegative element because it has 5 electrons in it's 2P shell. The optimal electron configuration of the 2P orbital contains 6 electrons, so since Fluorine is so close to ideal electron configuration, the electrons are held very tightly to the nucleus.
Electronic Configuration: 1s22s22p5
Electronegativity: 3.98
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Electronegativity of atom increases towards right side of the modern periodic table, so fluorine is located in 17th group so it is the most electronegative atom
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