Periodic Table/Arsenic/⁸⁹As

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⁸⁹As

Arsenic-89

Radioactive

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

33

Neutrons (N)

56

Mass Number (A)

89

Atomic Mass

88.950048AMU

Spin / Parity

5/2-

Binding E/A

8.115keV

Natural Abundance

Trace / None

Half-life

Unknown

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

β⁻

β⁻n

2n

Decay Chain

⁸⁹AsArsenic?

β⁻

β⁻n⁸⁸Se

2n⁸⁷As

⁸⁹SeSelenium430 ms

β⁻100.0%

β⁻n⁸⁸Br7.80%

⁸⁹BrBromine4.36 s

β⁻100.0%

β⁻n⁸⁸Kr13.8%

⁸⁹KrKrypton3.15 min

β⁻100.0%

⁸⁹RbRubidium15.3 min

β⁻100.0%

⁸⁹SrStrontium50.6 d

β⁻100.0%

⁸⁹YYttriumSTABLE

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

Other Isotopes of Arsenic

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 91 92

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