Template:Infobox selenium isotopes

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Main isotopes of selenium (34Se)
Iso­tope Decay
abun­dance half-life (t1/2) mode pro­duct
72Se syn 8.4 d ε 72As
γ
74Se 0.86% stable
75Se syn 119.8 d ε 75As
γ
76Se 9.23% stable
77Se 7.60% stable
78Se 23.69% stable
79Se trace 3.27×105 y β 79Br
80Se 49.80% stable
82Se 8.82% 1.08×1020 y ββ 82Kr
Standard atomic weight Ar°(Se)
  • 78.971±0.008
  • 78.971±0.008 (abridged)[1][2]
As ←

i'box As

iso
34
Se (E)
→ Br

i'box Br

  Data sets read by {{Infobox element}}
Name and identifiers
Top image (caption, alt)
Pronunciation
Allotropes (demo)
Group (demo)
Period (demo)
Block (demo)
Standard atomic weight
  most stable isotope
Natural occurrence
Phase at STP
Oxidation states
Spectral lines image
Electron configuration (cmt, ref)
Wikidata *
Symbol etymology (11 non-trivial)
* Not used in {{Infobox element}} (2021-12-24)
See also Category:Infobox element data sets (0)

References

  1. ^ "Standard Atomic Weights: Selenium". CIAAW. 2013.
  2. ^ Meija, Juris; et al. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure and Applied Chemistry. 88 (3): 265–91. doi:10.1515/pac-2015-0305.