Chemical bond

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In chemistry, chemical bond (CR:137) (LH:8) (TL:145) is an actuated attachment between two chemical species, e.g. atoms, ions, or molecules, resulting in the formation of a geometrical bound state or spatially stable configuration, mediated via chemical force mechanisms, e.g. Coulomb forces in ionic bonds or exchange forces in covalent bonds.[1]


The following are related quotes:

“Although the chemical bond was first recognized and discussed at great length in classical terms, most physicists regarded the mature of the chemical bond as a profound mystery until Heitler and London qualitatively derived the exchange interaction [see: exchange force] and showed that this quantum mechanical behavior accounted for the observed properties of valency and stability. On the other hand, it is not uncommon to find molecular biologists using a classical description of DNA replication and coding to justify the statement that the living cells obey the laws of physics without ever once putting down a law of physics or showing quantitatively how these laws are obeyed by these processes.”
Howard Pattee (1967), “Physical Problems of Heredity and Evolution” [2]

See also


  1. Heitler, Walter. (1936). Elementary Wave Mechanics: with Application to Quantum Chemistry (pgs. 134-38). Oxford.
  2. (a) Pattee, Howard H. (1967). “Physical Problems of Heredity and Evolution”, in: Sketching Theoretical Biology: Towards a Theoretical Biology, Volume Two (editor: C.H. Waddington) (contents). Publisher.
    (b) Gatlin, Lila L. (1972). Information Theory and the Living System (pg. 15). Columbia University Press.

External links

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