Periodic Table/Selenium/⁷¹Se

← 70Se72Se →

⁷¹Se

Selenium-71

Radioactive· Half-life: 4.74 min

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

34

Neutrons (N)

37

Mass Number (A)

71

Atomic Mass

70.932209AMU

Spin / Parity

5/2-

Binding E/A

8.341keV

Natural Abundance

Trace / None

Half-life

4.74 min

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

β⁺

100.0%

Decay Chain

⁷¹SeSelenium4.74 min

β⁺100.0%

⁷¹AsArsenic2.72 d

β⁺100.0%

⁷¹GeGermanium11.4 d

EC100.0%

⁷¹GaGalliumSTABLE

4-step decay chain → stable · Primary path shown

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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