Periodic Table/Krypton/⁶⁹Kr

← 68Kr70Kr →

⁶⁹Kr

Krypton-69

Radioactive· Half-life: 27.9 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

36

Neutrons (N)

33

Mass Number (A)

69

Atomic Mass

68.965496AMU

Spin / Parity

5/2-

Binding E/A

7.862keV

Natural Abundance

Trace / None

Half-life

27.9 ms

Decay Modesoverview · half-life · α · β⁻ · β⁺

β⁺

100.0%

β⁺p

94.0%

Decay Chain

⁶⁹KrKrypton27.9 ms

β⁺100.0%

β⁺p⁶⁸Se94.0%

⁶⁹BrBromine?

p100.0%

⁶⁸SeSelenium35.5 s

β⁺100.0%

⁶⁸AsArsenic2.53 min

β⁺100.0%

⁶⁸GeGermanium271 d

EC100.0%

⁶⁸GaGallium1.13 h

β⁺100.0%

⁶⁸ZnZincSTABLE

7-step decay chain → stable · Primary path shown · branching ratios indicated

Other Isotopes of Krypton

67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101

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