Periodic Table/Krypton/⁶⁸Kr

← 67Kr69Kr →

⁶⁸Kr

Krypton-68

Radioactive· Half-life: 21.6 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

36

Neutrons (N)

32

Mass Number (A)

68

Atomic Mass

67.972489AMU

Spin / Parity

0+

Binding E/A

7.763keV

Natural Abundance

Trace / None

Half-life

21.6 ms

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

β⁺

β⁺p

90.0%

p

Decay Chain

⁶⁸KrKrypton21.6 ms

β⁺p90.0%

β⁺⁶⁸Br

p⁶⁷Br

⁶⁷SeSelenium133 ms

β⁺100.0%

β⁺p⁶⁶Ge0.50%

⁶⁷AsArsenic42.5 s

β⁺100.0%

⁶⁷GeGermanium18.9 min

β⁺100.0%

⁶⁷GaGallium3.26 d

EC100.0%

⁶⁷ZnZincSTABLE

6-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

← Back to KryptonData: IAEA NDS · ENSDF