What is the difference between Ionization energy and Electron Affinity?

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Chemistry

Kirsten Becker

23 January, 20:40

What is the difference between Ionization energy and Electron Affinity?

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Jayvon Saunders · Answer 1

Ionization energy is the amount of energy required to remove the electron that is most loosely bound of an isolated gaseous atom to form a cation.

Electron affinity is the amount of energy released when an electron is added to a neutral atom or a molecule in a gaseous state to form negation ion.

The difference of ionization energy and electron affinity is ionization energy is the required energy to remove an electron from a neutral atom. Whereas, electron affinity is the energy change when a neutral atom attracts an electron to become a negative ion.