Periodic Table/Germanium/⁸⁷Ge

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⁸⁷Ge

Germanium-87

Radioactive· Half-life: 103 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

32

Neutrons (N)

55

Mass Number (A)

87

Atomic Mass

86.953204AMU

Spin / Parity

5/2+

Binding E/A

8.097keV

Natural Abundance

Trace / None

Half-life

103 ms

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

β⁻

100.0%

β⁻n

2n

Decay Chain

⁸⁷GeGermanium103 ms

β⁻100.0%

β⁻n⁸⁶As

2n⁸⁵Ge

⁸⁷AsArsenic492 ms

β⁻100.0%

β⁻n⁸⁶Se15.4%

2n⁸⁵As

⁸⁷SeSelenium5.50 s

β⁻100.0%

β⁻n⁸⁶Br0.60%

⁸⁷BrBromine55.7 s

β⁻100.0%

β⁻n⁸⁶Kr2.60%

⁸⁷KrKrypton1.27 h

β⁻100.0%

⁸⁷RbRubidium49.7 Gy

β⁻100.0%

⁸⁷SrStrontiumSTABLE

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

Other Isotopes of Germanium

58 59 60 61 62 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

← Back to GermaniumData: IAEA NDS · ENSDF