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Why cl has more negative electron gain enthallpy than f

Answer» Chlorine has more negative electron gain enthalpy than fluorine because of the small size of fluorine atom it does not accepts an extra electron and thus rejects it leading to less negative electron gain enthalpy than chlorine...
Because it is located on the right side of the periodic table and F is located to the left of Cl and we know that electron gain enthalpy increases when we move from left to right in a periodic table


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