| Find list of stable and radioactive isotopes of different elements, half life period of its unstable or radioactive isotope, molecular weight, particle emitted during decay and more |
Lanthanum (La) has 39 istopes, they are
117La, 118La, 119La, 120La, 121La, 122La, 123La, 124La, 125La, 126La, 127La, 128La, 129La, 130La, 131La, 132La, 133La, 134La, 135La, 136La, 137La, 138La, 139La, 140La, 141La, 142La, 143La, 144La, 145La, 146La, 147La, 148La, 149La, 150La, 151La, 152La, 153La, 154La, 155La | | | Of which 1 istope is stable: 139La | | | Common Unstable Isotopes of Lanthanum (La) are |
| Element | Mass | Symbol | Decay Type | Half Life |
|---|
| Lanthanum | 137 | 137La | Electron capture (e) | 60,000 years | | Lanthanum | 138 | 138La | Electron capture (e), Beta decay (ß-) | 1.05 x 1011 years | | Lanthanum | 140 | 140La | | 40.272 hours | | Lanthanum | 141 | 141La | | 3.93 hours | | Lanthanum | 142 | 142La | | 92.5 minutes |
|