D₂
Appearance
See also: Appendix:Variations of "d"
Translingual
[edit]Symbol
[edit]D2
- Deuterium-deuterium, a type of hydrogen (H2) molecule. In other words, dideuterium, or diatomic deuterium.
Usage notes
[edit]Deuterium should be called by the chemical symbol "2H", not "D".[1] Therefore, the proper notation for diatomic deuterium is "2H2", not "D2".