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Isotopes of osmium (76Os)
Main isotopes [1] Decay
abun­dance half-life (t1/2) mode pro­duct
184Os 0.02% 1.12×1013 y [2] α 180W
185Os synth 92.95 d ε 185Re
186Os 1.59% 2.0×1015 y α 182W
187Os 1.96% stable
188Os 13.2% stable
189Os 16.1% stable
190Os 26.3% stable
191Os synth 14.99 d β 191Ir
192Os 40.8% stable
193Os synth 29.83 h β 193Ir
194Os synth 6 y β 194Ir
Standard atomic weight Ar°(Os)
Os · Osmium
Re ←

ibox Re

iso
76
Os  [ e
IB-Os [ e
IBisos [ e
→  Ir

ibox Ir

indexes by PT (page)
child table, as reused in {IB-Os}
Main isotopes of osmium
Main isotopes [1] Decay
abun­dance half-life (t1/2) mode pro­duct
184Os 0.02% 1.12×1013 y [2] α 180W
185Os synth 92.95 d ε 185Re
186Os 1.59% 2.0×1015 y α 182W
187Os 1.96% stable
188Os 13.2% stable
189Os 16.1% stable
190Os 26.3% stable
191Os synth 14.99 d β 191Ir
192Os 40.8% stable
193Os synth 29.83 h β 193Ir
194Os synth 6 y β 194Ir
Data sets read by {{Infobox element}}
Name and identifiers
Symbol etymology (11 non-trivial)
Top image (caption, alt)
Pronunciation
Allotropes ( overview)
Group ( overview)
Period ( overview)
Block ( overview)
Natural occurrence
Phase at STP
Oxidation states
Spectral lines image
Electron configuration (cmt, ref)
Isotopes
Standard atomic weight
  most stable isotope
Wikidata
Wikidata *
* Not used in {{Infobox element}} (2023-01-01)
See also {{ Index of data sets}} · Cat:data sets (45) · (this table: )

References

  1. ^ a b Kondev, F. G.; Wang, M.; Huang, W. J.; Naimi, S.; Audi, G. (2021). "The NUBASE2020 evaluation of nuclear properties" (PDF). Chinese Physics C. 45 (3): 030001. doi: 10.1088/1674-1137/abddae.
  2. ^ a b Peters, Stefan T.M.; Münker, Carsten; Becker, Harry; Schulz, Toni (April 2014). "Alpha-decay of 184Os revealed by radiogenic 180W in meteorites: Half life determination and viability as geochronometer". Earth and Planetary Science Letters. 391: 69–76. doi: 10.1016/j.epsl.2014.01.030.
  3. ^ "Standard Atomic Weights: Osmium". CIAAW. 1991.
  4. ^ Prohaska, Thomas; Irrgeher, Johanna; Benefield, Jacqueline; Böhlke, John K.; Chesson, Lesley A.; Coplen, Tyler B.; Ding, Tiping; Dunn, Philip J. H.; Gröning, Manfred; Holden, Norman E.; Meijer, Harro A. J. (2022-05-04). "Standard atomic weights of the elements 2021 (IUPAC Technical Report)". Pure and Applied Chemistry. doi: 10.1515/pac-2019-0603. ISSN  1365-3075.