valence electron

noun

Definition of valence electron

: a single electron or one of two or more electrons in the outer shell of an atom that is responsible for the chemical properties of the atom

Examples of valence electron in a Sentence

Recent Examples on the Web The scientists at Tokyo Tech want to do something similar with valence electrons, which reside on the outer shell of an atom and are responsible for each atom's chemical properties. David Grossman, Popular Mechanics, "A Periodic Table, but for Molecules," 10 Sep. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'valence electron.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of valence electron

1922, in the meaning defined above

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Time Traveler for valence electron

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The first known use of valence electron was in 1922

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Cite this Entry

“Valence electron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/valence%20electron. Accessed 22 Sep. 2020.

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More Definitions for valence electron

valence electron

noun

Medical Definition of valence electron

: a single electron or one of two or more electrons in the outer shell of an atom that is responsible for the chemical properties of the atom

More from Merriam-Webster on valence electron

Britannica.com: Encyclopedia article about valence electron

Comments on valence electron

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