Periodic Table/Arsenic/⁸⁶As

← 85As87As →

⁸⁶As

Arsenic-86

Radioactive· Half-life: 945 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

33

Neutrons (N)

53

Mass Number (A)

86

Atomic Mass

85.936702AMU

Spin / Parity

1-

Binding E/A

8.261keV

Natural Abundance

Trace / None

Half-life

945 ms

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

β⁻

100.0%

β⁻n

35.5%

2n

Decay Chain

⁸⁶AsArsenic945 ms

β⁻100.0%

β⁻n⁸⁵Se35.5%

2n⁸⁴As

⁸⁶SeSelenium14.3 s

β⁻100.0%

β⁻n⁸⁵Br

⁸⁶BrBromine55.1 s

β⁻100.0%

⁸⁶KrKryptonSTABLE

4-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

← Back to ArsenicData: IAEA NDS · ENSDF