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  • 21 Aug, 2019

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Template:Infobox Francium

child table, as reused in {IB-Fr}
Main isotopes of francium
Main isotopes Decay
abun­dance half-life (t1/2) mode pro­duct
Fr synth 20.0 min β Rn
α At
Fr trace 4.8 min α At
Fr synth 14.2 min β Ra
Fr trace 22.00 min β Ra
α At
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 (46) · (this table: )

References

  1. ^ Arblaster, John W. (2018). Selected Values of the Crystallographic Properties of Elements. Materials Park, Ohio: ASM International. ISBN 978-1-62708-155-9.
  2. ^ ISOLDE Collaboration, J. Phys. B 23, 3511 (1990) (PDF online)
  3. ^ 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.