Isotopes of Cerium (Z=58)
Click on an isotope to get more information about its decay
|
Isotope
|
Half-life
|
Spin
Parity
|
Decay Mode(s) or
Abundance |
| 119Ce
| |
|
|
| 120Ce
| | 0+
|
|
| 121Ce
| |
|
|
| 122Ce
| |
|
|
| 123Ce
| 3.2 s | (5/2)
|
%EC+%B+=100, %ECP=?
|
| 124Ce
| 6 s | 0+
|
%EC+%B+=100
|
| 125Ce
| 9.0 s | (5/2+)
|
%EC+%B+=100, %ECP=?
|
| 126Ce
| 50 s | 0+
|
%EC+%B+=100
|
| 127Ce
| 31 s | (5/2+)
|
%EC+%B+=100
|
| 128Ce
| 4.1 s | 0+
|
%EC+%B+=100
|
| 129Ce
| 3.5 m | 5/2+
|
%EC+%B+=100
|
| 130Ce
| 25 m | 0+
|
%EC+%B+=100
|
| 131Ce
| 10.2 m | (7/2+)
|
%EC+%B+=100
|
| 131m1Ce
| 5.0 m | (1/2+)
|
%EC+%B+=100
|
| 132Ce
| 3.51 h | 0+
|
%EC+%B+=100
|
| 132m1Ce
| 13 ms | (8-,9-)
|
%IT=100
|
| 133Ce
| 97 m | 1/2+
|
%EC+%B+=100
|
| 133m1Ce
| 4.9 h | 9/2-
|
%EC+%B+=100
|
| 134Ce
| 3.16 d | 0+
|
%EC=100
|
| 135Ce
| 17.7 h | 1/2(+)
|
%EC+%B+=100
|
| 135m1Ce
| 20 s | 11/2(-)
|
%IT=100
|
| 136Ce
| stable | 0+
|
%Abundance=0.19 1
|
| 137Ce
| 9.0 h | 3/2+
|
%EC+%B+=100
|
| 137m1Ce
| 34.4 h | 11/2-
|
%IT=99.22 3, %EC+%B+=0.78 3
|
| 138Ce
| stable | 0+
|
%Abundance=0.25 1
|
| 138m1Ce
| 8.65 ms | 7-
|
%IT=100
|
| 139Ce
| 137.640 d | 3/2+
|
%EC=100
|
| 139m1Ce
| 54.8 s | 11/2-
|
%IT=100
|
| 140Ce
| stable | 0+
|
%Abundance=88.48 10
|
| 141Ce
| 32.501 d | 7/2-
|
%B-=100
|
| 142Ce
| 5e+16 y | 0+
|
%Abundance=11.08 10
|
| 143Ce
| 33.039 h | 3/2-
|
%B-=100
|
| 144Ce
| 284.893 d | 0+
|
%B-=100
|
| 145Ce
| 3.01 m | (3/2)-
|
%B-=100
|
| 146Ce
| 13.52 m | 0+
|
%B-=100
|
| 147Ce
| 56.4 s | (5/2-)
|
%B-=100
|
| 148Ce
| 56 s | 0+
|
%B-=100
|
| 149Ce
| 5.3 s | (3/2-)
|
%B-=100
|
| 150Ce
| 4.0 s | 0+
|
%B-=100
|
| 151Ce
| 1.02 s |
|
%B-=100
|
| 152Ce
| 1.4 s | 0+
|
%B-=100
|
| 153Ce
| |
|
|
| 154Ce
| | 0+
|
|
| 155Ce
| |
|
|
| 156Ce
| | 0+
|
|
| 157Ce
| |
|
|
Isotope Explorer Nuclear Structure and Decay Data
8th Edition of the Table of Isotopes
Isotopes Project Home Page
Lawrence Berkeley National Laboratory