Notable Isotopes
78Kr [42 neutrons]
Abundance: 0.35%
Half life: 2.3 x 1020 years [ Double Electron Capture ]
Decay Energy: ?MeVDecays to 78Se.
79Kr [43 neutrons]Abundance: synthetic
Half life: 35.04 hours [ Electron Capture ]
Decay Energy: ?MeVDecays to 79Br.
Half life: 35.04 hours [ beta+ ]
Decay Energy: 0.604MeVDecays to 79Br.
Half life: 35.04 hours [ Gamma Radiation ]
Decay Energy: 0.26, 0.39, 0.60MeVDecays to ?.
80Kr [44 neutrons]Abundance: 2.25%
Stable with 44 neutrons
Half life: 44
Decay Energy: MeVDecays to .
81Kr [45 neutrons]Abundance: synthetic
Half life: 2.29 x 105 years [ Electron Capture ]
Decay Energy: ?MeVDecays to 81Br.
Half life: 2.29 x 105 years [ Gamma Radiation ]
Decay Energy: 0.281MeVDecays to ?.
82Kr [46 neutrons]Abundance: 11.6%
Stable with 46 neutrons
83Kr [47 neutrons]Abundance: 11.5%
Stable with 47
84Kr [48 neutrons]Abundance: 57%
Stable with 48 neutrons
85Kr [49 neutrons]Abundance: synthetic
Half life: 10.756 years [ beta- ]
Decay Energy: 0.687MeVDecays to 85Rb.
86Kr [50 neutrons]Abundance: 17.3%
Stable with 50 neutrons