valence electron
(va-lence-e-lec-tron)
4 syllables
Definition
noun. An electron in the outer shell of an atom which can combine with other atoms to form molecules.
Example Sentence
The valence electron plays a crucial role in chemical reactions.
More Example Sentences
In a sodium atom, the single valence electron can easily be lost to form a positive ion.
Synonyms
outer electron; bonding electron; shell electron
Antonyms
core electron; inner electron; non-bonding electron
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valence electron
