Periodic Table/Selenium/⁶⁴Se

← 63Se65Se →

⁶⁴Se

Selenium-64

Radioactive· Half-life: 22.6 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

34

Neutrons (N)

30

Mass Number (A)

64

Atomic Mass

63.971165AMU

Spin / Parity

0+

Binding E/A

7.804keV

Natural Abundance

Trace / None

Half-life

22.6 ms

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

β⁺

β⁺p

Decay Chain

⁶⁴SeSelenium22.6 ms

β⁺

β⁺p⁶³Ge

⁶⁴AsArsenic69.0 ms

β⁺100.0%

β⁺p⁶³Ga

⁶⁴GeGermanium1.06 min

β⁺100.0%

⁶⁴GaGallium2.63 min

β⁺100.0%

⁶⁴ZnZincSTABLE

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

Other Isotopes of Selenium

63 64 65 66 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

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