Congener Definition and Examples

What Is a Congener?

The noble metals may be considered congeners.
The noble metals may be considered congeners. Tomihahndorf, Creative Commons License

Congener Definition #1

A congener is a member of group of elements in the same periodic table group.

Example: Potassium and sodium are congeners of each other.


Congener Definition #2

A congener can also refer to a class of compounds with similar structures and similar chemical properties.

Example: The class of chemicals called polychlorinated biphenyls (PCBs) have over 200 congeners.

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Helmenstine, Anne Marie, Ph.D. "Congener Definition and Examples." ThoughtCo, Feb. 20, 2016, thoughtco.com/definition-of-congener-and-examples-604950. Helmenstine, Anne Marie, Ph.D. (2016, February 20). Congener Definition and Examples. Retrieved from https://www.thoughtco.com/definition-of-congener-and-examples-604950 Helmenstine, Anne Marie, Ph.D. "Congener Definition and Examples." ThoughtCo. https://www.thoughtco.com/definition-of-congener-and-examples-604950 (accessed December 16, 2017).