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See also: list of Cerium isotopes.
Direct parent isotopes are: 140Pr, 140La, 144Nd.
Atomic Mass ma | Quantity | Half-life | Spin | |
---|---|---|---|---|
Cerium Isotopic mixture | 140.116 u | 100 % | ||
Isotope 136Ce | 135.907129(3) u | 0.186(2) % | stable | 0+ |
Isotope 138Ce | 137.90599(7) u | 0.251(2) % | stable | 0+ |
Isotope 140Ce | 139.90544(2) u | 88.449(51) % | stable | 0+ |
Isotope 142Ce | 141.90925(2) u | 11.114(51) % | stable | 0+ |
Nuclear isomers or excited states with the activation energy in keV related to the ground state.
Nuclear Isomer | Excitation Energy | Half-life | Spin |
---|---|---|---|
140mCe | 2107.854(24) keV | 7.3(15) μs | 6+ |
OZ | Isotone N = 82 | Isobar A = 140 |
---|---|---|
45 | 127Rh | |
46 | 128Pd | |
47 | 129Ag | |
48 | 130Cd | |
49 | 131In | |
50 | 132Sn | |
51 | 133Sb | 140Sb |
52 | 134Te | 140Te |
53 | 135I | 140I |
54 | 136Xe | 140Xe |
55 | 137Cs | 140Cs |
56 | 138Ba | 140Ba |
57 | 139La | 140La |
58 | 140Ce | 140Ce |
59 | 141Pr | 140Pr |
60 | 142Nd | 140Nd |
61 | 143Pm | 140Pm |
62 | 144Sm | 140Sm |
63 | 145Eu | 140Eu |
64 | 146Gd | 140Gd |
65 | 147Tb | 140Tb |
66 | 148Dy | 140Dy |
67 | 149Ho | 140Ho |
68 | 150Er | |
69 | 151Tm | |
70 | 152Yb | |
71 | 153Lu | |
72 | 154Hf | |
73 | 155Ta |
Last update: 2023-05-15
Perma link: https://www.chemlin.org/isotope/cerium-140
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