Main definitions of valence in English

: valence1valence2

valence1

noun

Chemistry Linguistics
  • 1

    another term for valency
    • ‘The difference in the valence of phosphorous and silicon provides the free electrons needed for metal-like behaviour.’
    • ‘Addition reactions of inorganic molecules occur when an atom has more than one valence.’
    • ‘In covalent compounds the valence of an atom may be less obvious.’
    • ‘Thus, the most obvious approach would be to use the Gouy-Chapman equation or its generalized formulation for electrolytes with mixed valences, the Grahame equation.’
    • ‘The valence of a unit is closely tied up with its dependence.’
    • ‘These data can only be explained if one assumes that the affective valence of the prime is processed, even though this is not necessary for the task at hand.’
    • ‘One rather unsuccessful idea which he embarked on quite late in his career was to apply invariant theory to chemical valences.’
    1. 1.1as modifier Relating to or denoting electrons involved in or available for chemical bond formation.
      ‘molecules with unpaired valence electrons’
      • ‘Oxygen has six valence electrons.’
      • ‘The electrons in the highest energy level are called valence electrons.’
      • ‘The metalloids have an intermediate number of valence electrons.’
      • ‘Nonmetals with eight valence electrons are chemically unreactive.’
      • ‘These superconductors usually contain more oxygen atoms than predicted by valence theory.’

Origin

Late Middle English: from late Latin valentia ‘power, competence’, from valere ‘be well or strong’.

Pronunciation

valence

/ˈveɪl(ə)ns/

Main definitions of valence in English

: valence1valence2

valence2

noun

Pronunciation

valence

/ˈval(ə)ns/