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Padron:Infobox lanthanum isotopes

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Isotopes of lanthanum (57La)
Main isotopes[1] Decay
abun­dance half-life (t1/2) mode pro­duct
137La synth 6×104 y ε 137Ba
138La 0.089% 1.02×1011 y ε 138Ba
β 138Ce
139La 99.911% stable
Standard atomic weight Ar°(La)
  • 138.90547±0.00007
  • 138.91±0.01 (pinaikli)[2][3]
La · Lanthanum
Ba ←

ibox Ba

iso57 La  [e]
IB-La [e]
IBisos [e]
→ Ce

ibox Ce

indexes by PT (page)
child table, as reused in {IB-La}
Main isotopes of lanthanum
Main isotopes[1] Decay
abun­dance half-life (t1/2) mode pro­duct
137La synth 6×104 y ε 137Ba
138La 0.089% 1.02×1011 y ε 138Ba
β 138Ce
139La 99.911% stable
  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 Kategorya:Infobox element data sets (0)

Talababa

  1. 1.0 1.1 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.{{cite journal}}: CS1 maint: date auto-translated (link)
  2. "Standard Atomic Weights: Lanthanum" (sa wikang Ingles). CIAAW. 2005.{{cite web}}: CS1 maint: date auto-translated (link)
  3. 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 (sa wikang Ingles). doi:10.1515/pac-2019-0603. ISSN 1365-3075.{{cite journal}}: CS1 maint: date auto-translated (link)