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Template:Infobox lanthanum isotopes

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Isotopes of lanthanum (57La)
Main isotopes[1] Decay
Isotope abun­dance half-life (t1/2) mode pro­duct
137La synth 6×104 y ε 137Ba
138La 0.0890% 1.03×1011 y β+ 138Ba
β− 138Ce
139La 99.9% stable
140La synth 40.289 h β− 140Ce
Standard atomic weight Ar°(La)
Template:Infobox element/standard atomic weight format

Template:Infobox element/element navigation

References

These references will appear in the article, but this list appears only on this page.
  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.
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