Periodic Table/Ruthenium/⁹¹Ru

← 90Ru92Ru →

⁹¹Ru

Ruthenium-91

Radioactive· Half-life: 8.00 s

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

44

Neutrons (N)

47

Mass Number (A)

91

Atomic Mass

90.926742AMU

Spin / Parity

9/2+

Binding E/A

8.196keV

Natural Abundance

Trace / None

Half-life

8.00 s

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

β⁺

100.0%

β⁺p

Decay Chain

⁹¹RuRuthenium8.00 s

β⁺100.0%

β⁺p⁹⁰Mo

⁹¹TcTechnetium3.14 min

β⁺100.0%

⁹¹MoMolybdenum15.5 min

β⁺100.0%

⁹¹NbNiobium680 y

EC100.0%

e+⁹¹Zr0.01%

⁹¹ZrZirconiumSTABLE

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

Other Isotopes of Ruthenium

85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125

← Back to RutheniumData: IAEA NDS · ENSDF