Periodic Table/Krypton/⁶⁷Kr

68Kr →

⁶⁷Kr

Krypton-67

Radioactive· Half-life: 7.40 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

36

Neutrons (N)

31

Mass Number (A)

67

Atomic Mass

66.983305AMU

Spin / Parity

3/2-

Binding E/A

7.609keV

Natural Abundance

Trace / None

Half-life

7.40 ms

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

2p

37.0%

β⁺

Decay Chain

⁶⁷KrKrypton7.40 ms

2p37.0%

β⁺⁶⁷Br

⁶⁵SeSelenium34.2 ms

β⁺100.0%

β⁺p⁶⁴Ge87.0%

⁶⁵AsArsenic130 ms

β⁺100.0%

β⁺p⁶⁴Ga

⁶⁵GeGermanium30.9 s

β⁺100.0%

β⁺p⁶⁴Zn0.01%

⁶⁵GaGallium15.1 min

β⁺100.0%

⁶⁵ZnZinc244 d

β⁺100.0%

⁶⁵CuCopperSTABLE

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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