D₂

See also: Appendix:Variations of "d"

Translingual

Symbol

D2

  1. Deuterium-deuterium, a type of hydrogen (H2) molecule. In other words, dideuterium, or diatomic deuterium.

Usage notes

Deuterium should be called by the chemical symbol "2H", not "D".[1] Therefore, the proper notation for diatomic deuterium is "2H2", not "D2".

References
  1. “IUPAC: Provisional Recommendations: Chemical Nomenclature and Structure Representation Division”, IR-3.3.2
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