CBSE Class 12-science Answered
sir please explain why electron affinity of chlorine is higher than that of fluorine
Asked by hussain shaikh | 21 May, 2011, 06:32: PM
Expert Answer
Although F definitely has a higher attraction for an electron than Cl (as evidenced by its high electronegativity value), the small size of the F atom means that adding an electron creates significant repulsion. Since electron affinity is an energy measurement, the total energy associated with electron affinity winds up being the energy that is released by the electron binding to the nucleus, minus the energy involved in overcoming the electrical repulsion in the outer shell.
Answered by | 21 May, 2011, 03:49: PM
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