Electron affinity, EA, is the energy required to add an electron to a neutral gaseous atom and is related to an element's position on the periodic table. Electron affinities can be positive, negative, or zero, as shown in the table.ElementElectron affinity(kJ/mol)N (nitrogen)>0Br (bromine)−325Sr (strontium)−5For the elements with the electron affinities given in the table in the introduction, which element is most likely to accept an electron? (N, Sr, or Br)

Electron affinity is defined as the energy required to add an electron to a neutral gaseous atom or…

Answered: Electron affinity, EA, is the energy…

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 52E: Ionization energy is the energy required to remove an electron from an atom in the gas phase. The...

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Electron affinity, EA, is the energy required to add an electron to a neutral gaseous atom and is related to an element's position on the periodic table. Electron affinities can be positive, negative, or zero, as shown in the table.

Element	Electron affinity (kJ/mol)
N (nitrogen)	>0
Br (bromine)	−325
Sr (strontium)	−5

For the elements with the electron affinities given in the table in the introduction, which element is most likely to accept an electron? (N, Sr, or Br)

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