valence electron

noun Chemistry.

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.

Origin of valence electron

First recorded in 1925–30

Words nearby valence electron

valediction forbidding mourning, a, valedictorian, valedictory, valence, valence band, valence electron, valence electrons, valence-conduction band, valencia, valenciennes, valency

Scientific definitions for valence electrons

valence electron

An electron in one of the outer shells of an atom that can participate in forming chemical bonds with other atoms.

Cultural definitions for valence electrons

valence electrons

In chemistry, those electrons found in orbits farthest from the nucleus of the atom. These electrons determine the way in which the atom will combine with other atoms, and thus determine its chemical properties.