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Valence (Noun)

Meaning 1

(biology) a relative capacity to unite or react or interact as with antigens or a biological substrate.

Classification

Nouns denoting attributes of people and objects.

Examples

  • The valence of an antibody determines its ability to bind to specific antigens on the surface of pathogens, thereby facilitating an immune response.
  • The valence electrons of an atom participate in chemical bonding, but biological valence refers specifically to the reactivity of a molecule within the body.
  • Understanding the valence of enzymes is crucial in the study of metabolic pathways and the production of essential proteins in cells.
  • Researchers have been studying the valence of existing antibodies to develop new treatments for infectious diseases.
  • In immunology, valence is a critical factor in understanding how antibodies recognize and bind to specific pathogens to neutralize them.

Synonyms

  • Valency

Hypernyms

  • Powerfulness

Meaning 2

(chemistry) a property of atoms or radicals; their combining power given in terms of the number of hydrogen atoms (or the equivalent).

Classification

Nouns denoting attributes of people and objects.

Examples

  • The chemical valence of an atom determines the number of electrons it will gain or lose in a chemical reaction.
  • Carbon has a valence of four due to the four unpaired electrons in its outermost energy level.
  • Metals tend to lose electrons to form positive ions, known as cations, as they have a lower valence than the noble gases.
  • The valence state of an element can be used to predict the number of bonds it will form with other elements in a compound.
  • Oxygen's valence of two is demonstrated by its formation of two covalent bonds with hydrogen to form water.

Synonyms

  • Valency

Hypernyms

  • Powerfulness

Hyponyms

  • Covalency
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