positronium

https://doi.org/10.1351/goldbook.P04770
Atom-like pair of particles consisting of an @A00381@-electron (@P04769@) and an electron.
Source:
Green Book, 2nd ed., p. 93 [Terms] [Book]
Citation: 'positronium' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.P04770 RIS BibTex EndNote
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Last revised: February 24, 2014