More Chemistry
See also: list of Krypton isotopes.
Direct parent isotopes are: 84Rb, 84Br.
Atomic Mass ma | Quantity | Half-life | Spin | |
---|---|---|---|---|
Krypton Isotopic mixture | 83.798 u | 100 % | ||
Isotope 78Kr | 77.920365(5) u | 0.355(3) % | stable | 0+ |
Isotope 80Kr | 79.916378(5) u | 2.286(10) % | stable | 0+ |
Isotope 82Kr | 81.913483(6) u | 11.593(31) % | stable | 0+ |
Isotope 83Kr | 82.914127(2) u | 11.500(19) % | stable | 9/2+ |
Isotope 84Kr | 83.91149773(3) u | 56.987(15) % | stable | 0+ |
Isotope 86Kr | 85.91061063(3) u | 17.279(41) % | 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 |
---|---|---|---|
84m1Kr | 3236.07(18) keV | 1.83(4) μs | 8+ |
84m2Kr | 5373.4(4) keV | 43.7(21) ns | 12+ |
OZ | Isotone N = 48 | Isobar A = 84 |
---|---|---|
26 | 74Fe | |
27 | 75Co | |
28 | 76Ni | |
29 | 77Cu | |
30 | 78Zn | 84Zn |
31 | 79Ga | 84Ga |
32 | 80Ge | 84Ge |
33 | 81As | 84As |
34 | 82Se | 84Se |
35 | 83Br | 84Br |
36 | 84Kr | 84Kr |
37 | 85Rb | 84Rb |
38 | 86Sr | 84Sr |
39 | 87Y | 84Y |
40 | 88Zr | 84Zr |
41 | 89Nb | 84Nb |
42 | 90Mo | 84Mo |
43 | 91Tc | |
44 | 92Ru | |
45 | 93Rh | |
46 | 94Pd | |
47 | 95Ag | |
48 | 96Cd | |
49 | 97In |
Last update: 2020-10-14
Perma link: https://www.chemlin.org/isotope/krypton-84
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