Element:Kr
From Metabolomics.JP
Atomic Number
36
Atomic Name
Krypton(クリプトン)
Stable Isotopes
| isotope | mass | isotopic abundance (%) |
|---|---|---|
| 78Kr | 77.920388 | 0.355(3) |
| 80Kr | 79.916379 | 2.286(10) |
| 82Kr | 81.9134850 | 11.593(31) |
| 83Kr | 82.914137 | 11.500(19) |
| 84Kr | 83.911508 | 56.987(15) |
| 86Kr | 85.910615 | 17.279(41) |
Radioisotopes
| isotope | half life | disintegration form |
|---|---|---|
| 79Kr | 35.04 hours | EC, beta+ |
| 81mKr | 13.10 seconds | IT, EC |
| 81Kr | 2.29 x 105 years | EC |
| 83mKr | 1.83 hours | IT |
| 85mKr | 4.480 hours | beta-, IT |
| 85Kr | 10.756 years | beat- |
