monovalency

A chemist draws a monovalency diagram on the chalkboard.

Definition

1. Noun (Chemistry):

   • State of having a valence of one: "Monovalency" refers to the chemical property of an atom or ion that can combine with only one other atom or ion, or form only one bond.
   • Synonym for monovalence: It is an alternative spelling of "monovalence," meaning the quality of being monovalent.

2. Noun (Biology):

   • State of being univalent: In biology, "monovalency" describes the property of a chromosome or antibody that has a single binding site or can pair with only one complementary structure.

Usage Examples

• Chemistry:

  • Hydrogen exhibits monovalency because it can form only one covalent bond. (Hydrogen has a valence of one.)
  • The monovalency of sodium allows it to react readily with chlorine to form sodium chloride. (Sodium's single valence electron enables one bond.)

• Biology:

  • In immunology, monovalency refers to an antibody that can bind to only one antigen. (The antibody has a single binding site.)
  • During meiosis, monovalency of chromosomes can lead to improper segregation. (Chromosomes that fail to pair properly are monovalent.)

Advanced Usage

• "Monovalency in chemical bonding": The concept is central to understanding ionic and covalent bonds where atoms achieve stability by sharing or transferring a single electron.

  • The monovalency of alkali metals makes them highly reactive. (They readily lose one electron to form stable ions.)

• "Monovalency in genetics": Used to describe unpaired chromosomes during cell division.

  • Monovalency in the X chromosome can cause genetic disorders. (The unpaired chromosome fails to segregate normally.)

Variants and Related Words

• Monovalent (adj): having a valence of one; capable of combining with only one other atom or group.

  • Chlorine is a monovalent element in many compounds. (Chlorine typically forms one bond.)

• Monovalence (n): a synonym for monovalency, less commonly used.

  • The monovalence of hydrogen is a fundamental concept in chemistry. (Hydrogen's single valence.)

Synonyms

• Univalency: the state of having a single valence or binding site.
• Single valence: the property of forming only one chemical bond.

Related Idioms (None applicable)

• No common idioms exist for "monovalency" due to its technical nature.

Phrasal Verbs (None applicable)

• No phrasal verbs are associated with "monovalency."