valence electron

valence electron
noun
an electron in the outer shell of an atom which can combine with other atoms to form molecules
Hypernyms: ↑electron, ↑negatron

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noun
: a single electron or one of two or more electrons contained in the outer incomplete shell of an atom and responsible for the chemical properties of the atom

sodium and other alkali metals have only one valence electron

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Chem.
an electron of an atom, located in the outermost shell (valence shell) of the atom, that can be transferred to or shared with another atom.
[1925-30]

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valence electron,
an electron in the outer shell of an atom. In a chemical change, the atom gains, loses, or shares such an electron in combining with another atom or atoms to form a molecule.

Useful english dictionary. 2012.

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  • valence electron — n 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 * * * one of the electrons in the outermost shell of an atom and thus able to participate in chemical… …   Medical dictionary

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  • valence electron — electron in the outermost shell of an atom that participates in chemical bonding …   English contemporary dictionary

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  • valence electron — Chem. an electron of an atom, located in the outermost shell (valence shell) of the atom, that can be transferred to or shared with another atom. [1925 30] * * *       any of the fundamental negatively charged particles in the outermost region of …   Universalium

  • valence electron — noun Date: 1922 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 …   New Collegiate Dictionary

  • valence electron — va′lence elec tron n. chem. an electron of an atom, located in the outermost shell(va′lence shell )of the atom, that can be transferred to or shared with another atom • Etymology: 1925–30 …   From formal English to slang

  • valence electron — noun any of the electrons in the outermost shell of an atom; capable of forming bonds with other atoms …   Wiktionary

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