Isotopes of Krypton (Z=36)
Click on an isotope to get more information about its decay
|
Isotope
|
Half-life
|
Spin
Parity
|
Decay Mode(s) or
Abundance |
|---|
| 69Kr
| |
|
|
|---|
| 70Kr
| | 0+
|
|
|---|
| 71Kr
| 64 ms |
|
%EC+%B+=100, %ECP=5.2 6
|
|---|
| 72Kr
| 17.2 s | 0+
|
%EC+%B+=100
|
|---|
| 73Kr
| 27.0 s | 5/2-
|
%EC+%B+=100, %ECP=0.68 12
|
|---|
| 74Kr
| 11.50 m | 0+
|
%EC+%B+=100
|
|---|
| 75Kr
| 4.3 m | (5/2)+
|
%EC+%B+=100
|
|---|
| 76Kr
| 14.8 h | 0+
|
%EC+%B+=100
|
|---|
| 77Kr
| 74.4 m | 5/2+
|
%EC+%B+=100
|
|---|
| 78Kr
| stable | 0+
|
%Abundance=0.35 2
|
|---|
| 79Kr
| 35.04 h | 1/2-
|
%EC+%B+=100
|
|---|
| 79m1Kr
| 50 s | 7/2+
|
%IT=100
|
|---|
| 80Kr
| stable | 0+
|
%Abundance=2.25 2
|
|---|
| 81Kr
| 2.29e+5 y | 7/2+
|
%EC=100
|
|---|
| 81m1Kr
| 13.10 s | 1/2-
|
%IT=99.9975 4, %EC=2.5E-3 4
|
|---|
| 82Kr
| stable | 0+
|
%Abundance=11.6 1
|
|---|
| 83Kr
| stable | 9/2+
|
%Abundance=11.5 1
|
|---|
| 83m1Kr
| 1.83 h | 1/2-
|
%IT=100
|
|---|
| 84Kr
| stable | 0+
|
%Abundance=57.0 3
|
|---|
| 85Kr
| 10.756 y | 9/2+
|
%B-=100
|
|---|
| 85m1Kr
| 4.480 h | 1/2-
|
%IT=21.4 4, %B-=78.6 4
|
|---|
| 86Kr
| stable | 0+
|
%Abundance=17.3 2
|
|---|
| 87Kr
| 76.3 m | 5/2+
|
%B-=100
|
|---|
| 88Kr
| 2.84 h | 0+
|
%B-=100
|
|---|
| 89Kr
| 3.15 m | (3/2+,5/2+)
|
%B-=100
|
|---|
| 90Kr
| 32.32 s | 0+
|
%B-=100
|
|---|
| 91Kr
| 8.57 s | (5/2+)
|
%B-=100
|
|---|
| 92Kr
| 1.840 s | 0+
|
%B-=100, %B-N=0.033 3
|
|---|
| 93Kr
| 1.286 s | (1/2+)
|
%B-=100, %B-N=1.95 11
|
|---|
| 94Kr
| 0.20 s | 0+
|
%B-=100, %B-N=5.7 22
|
|---|
| 95Kr
| 0.78 s | 1/2
|
%B-=100
|
|---|
| 96Kr
| | 0+
|
|
|---|
| 97Kr
| | (3/2+)
|
%B-=?, %B-N=?
|
|---|
| 98Kr
| | 0+
|
|
|---|
| 99Kr
| | (3/2+)
|
%B-=?
|
|---|
| 100Kr
| | 0+
|
|
|---|
Isotope Explorer Nuclear Structure and Decay Data
8th Edition of the Table of Isotopes
Isotopes Project Home Page
Lawrence Berkeley National Laboratory