Online College Courses for Credit

2 Tutorials that teach Electron Affinity
Take your pick:
Electron Affinity

Electron Affinity

Author: Marilyn Nowicki

This lesson will define electron affinity.

See More
Fast, Free College Credit

Developing Effective Teams

Let's Ride
*No strings attached. This college course is 100% free and is worth 1 semester credit.

47 Sophia partners guarantee credit transfer.

299 Institutions have accepted or given pre-approval for credit transfer.

* The American Council on Education's College Credit Recommendation Service (ACE Credit®) has evaluated and recommended college credit for 33 of Sophia’s online courses. Many different colleges and universities consider ACE CREDIT recommendations in determining the applicability to their course and degree programs.


Electron affinity is the amount of energy released when an electron is added to a neutral atom. Most nonmetals will release energy when an electron is gained to form a negative ion. This amount of energy is known as electron affinity. In the diagram, chlorine gains an electron to fill its outer energy level. In the process, it would release energy.

Electron Affinity