Difference between Ionization energy and electron affinity.

Your Questions: What is the difference between Ionization energy and electron affinity? Differentiate between Ionization energy and electron affinity? How electron affinity differ from Ionization energy?

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Electron Affinity:

The Electron Affinity is the energy released or absorbed, when an electron is added to a gaseous atom to form a negative ion.

Ionization Energy:

The Ionization energy of an element is the minimum quantity of energy which is required to remove an electron from the outer most shell of its isolated gaseous atom in its ground state.

Difference between Ionization energy and electron affinity:

As you can read above definition, Ionization energy deals with the required energy to remove electron from the atom but electron affinity is the energy released or absorbed when when electron is added.

  • Ionization energy: Removal of electron
  • Electron Affinity: Addition of Electron

Your Solved Questions:

Q: What is the difference between Ionization energy and electron affinity?

A: Explained in above paragraph.

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Fawad's Chemistry

Hope you fine. I'm Fawad and author of this blog "Chemanalogy". Love to write on Chemistry. Currently teaching A Levels, O Levels and University Chemistry offline as well as online. Connect to chemanalogy community by subscribing via email.