Periodic Table/Zinc/⁸⁵Zn

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⁸⁵Zn

Zinc-85

Radioactive

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

30

Neutrons (N)

55

Mass Number (A)

85

Atomic Mass

84.973054AMU

Spin / Parity

5/2+

Binding E/A

7.910keV

Natural Abundance

Trace / None

Half-life

Unknown

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

β⁻

β⁻n

2n

Decay Chain

β⁻

β⁻n⁸⁴Ga

2n⁸³Zn

⁸⁵GaGallium95.3 ms

β⁻100.0%

β⁻n⁸⁴Ge77.0%

2n⁸³Ga1.30%

⁸⁵GeGermanium495 ms

β⁻100.0%

β⁻n⁸⁴As17.2%

2n⁸³Ge

⁸⁵AsArsenic2.02 s

β⁻100.0%

β⁻n⁸⁴Se62.6%

⁸⁵SeSelenium32.9 s

β⁻100.0%

⁸⁵BrBromine2.90 min

β⁻100.0%

⁸⁵KrKrypton10.7 y

β⁻100.0%

⁸⁵RbRubidiumSTABLE

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

Other Isotopes of Zinc

54 55 56 57 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

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