Element:La
From Metabolomics.JP
Atomic Number
57
Atomic Name
Lanthanum(ランタン)
Stable Isotopes
| isotope | mass | isotopic abundance (%) |
|---|---|---|
| 138La | 137.907108 | 0.090(1) = (Natural radioactivity isotope) |
| 139La | 138.906349 | 99.910(1) |
Radioisotopes
| isotope | half life | disintegration form |
|---|---|---|
| 140La | 1.6781 days | beta- |
