Isotopes of Selenium (Z=34)
Click on an isotope to get more information about its decay
|
Isotope
|
Half-life
|
Spin
Parity
|
Decay Mode(s) or
Abundance |
|---|
| 65Se
| |
|
%EC+%B+=100, %ECP=?
|
|---|
| 66Se
| | 0+
|
%EC+%B+=100
|
|---|
| 67Se
| 60 ms |
|
%EC+%B+=100, %ECP=0.5 1
|
|---|
| 68Se
| 35.5 s | 0+
|
%EC+%B+=100
|
|---|
| 69Se
| 27.4 s | (3/2-)
|
%EC+%B+=100, %ECP=0.045 10
|
|---|
| 70Se
| 41.1 m | 0+
|
%EC+%B+=100
|
|---|
| 71Se
| 4.74 m | 3/2-,5/2-
|
%EC+%B+=100
|
|---|
| 72Se
| 8.40 d | 0+
|
%EC=100
|
|---|
| 73Se
| 7.15 h | 9/2+
|
%EC+%B+=100
|
|---|
| 73m1Se
| 39.8 m | 3/2-
|
%EC+%B+=27.4 3, %IT=72.6 3
|
|---|
| 74Se
| stable | 0+
|
%Abundance=0.89 2
|
|---|
| 75Se
| 119.779 d | 5/2+
|
%EC=100
|
|---|
| 76Se
| stable | 0+
|
%Abundance=9.36 11
|
|---|
| 77Se
| stable | 1/2-
|
%Abundance=7.63 6
|
|---|
| 77m1Se
| 17.36 s | 7/2+
|
%IT=100
|
|---|
| 78Se
| stable | 0+
|
%Abundance=23.78 9
|
|---|
| 79Se
| 1.13e6 y | 7/2+
|
%B-=100
|
|---|
| 79m1Se
| 3.92 m | 1/2-
|
%IT=99.944 11, %B-=0.056 11
|
|---|
| 80Se
| stable | 0+
|
%Abundance=49.61 10
|
|---|
| 81Se
| 18.45 m | 1/2-
|
%B-=100
|
|---|
| 81m1Se
| 57.28 m | 7/2+
|
%IT=99.948 14, %B-=0.052 14
|
|---|
| 82Se
| 1.08e+20 y | 0+
|
%Abundance=8.73 6, %BB=100
|
|---|
| 83Se
| 22.3 m | 9/2+
|
%B-=100
|
|---|
| 83m1Se
| 70.1 s | 1/2-
|
%B-=100
|
|---|
| 84Se
| 3.10 m | 0+
|
%B-=100
|
|---|
| 85Se
| 31.7 s | (5/2+)
|
%B-=100
|
|---|
| 86Se
| 15.3 s | 0+
|
%B-=100
|
|---|
| 87Se
| 5.29 s | (5/2+)
|
%B-=100, %B-N=0.36 8
|
|---|
| 88Se
| 1.53 s | 0+
|
%B-=100, %B-N=0.99 10
|
|---|
| 89Se
| 0.41 s | (5/2+)
|
%B-=100, %B-N=7.8 25
|
|---|
| 90Se
| | 0+
|
|
|---|
| 91Se
| 0.27 s |
|
%B-=100, %B-N=21 10
|
|---|
| 92Se
| | 0+
|
%B-=?
|
|---|
| 93Se
| | (1/2+)
|
%B-=?
|
|---|
| 94Se
| | 0+
|
%B-=?
|
|---|
Isotope Explorer Nuclear Structure and Decay Data
8th Edition of the Table of Isotopes
Isotopes Project Home Page
Lawrence Berkeley National Laboratory