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electron affinity of chlorine is greater than that of fluorine. why

Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter2: Atomic Structure And Periodicity

Section: Chapter Questions

Problem 125E: The electron affinity for sulfur is more negative than that for oxygen. How do you account for this?

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Question

electron affinity of chlorine is greater than that of fluorine. why

Definition Definition Change in energy of a neutral gaseous atom when an electron is added to the atom to form a negative ion.

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Similar questions

Which main group atom would be expected to have the lowest second ionization energy?
Explain why the electron affinity of lithium is slightly favorable (exothermic), whereas the electron affinity of beryllium is unfavorable (endothermic). Contrast these trends with the ionization energy trends of these two elements.
The electron affinity for sulfur is more negative than that for oxygen. How do you account for this?
We expect the atomic radius to increase going down a group in the periodic table. Can you suggest why the atomic radius of hafnium breaks this rule? (See data below.)
Use electron configurations to explain why (a) sulfur has a lower electron affinity than chlorine. (b) boron has a lower first ionization energy than beryllium. (c) chlorine has a lower first ionization energy than fluorine. (d) oxygen has a lower first ionization energy than nitrogen. (e) iodine has a lower electron affinity than bromine.