Periodic Table/Ruthenium/¹⁰⁹Ru

← 108Ru110Ru →

¹⁰⁹Ru

Ruthenium-109

Radioactive· Half-life: 34.4 s

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

44

Neutrons (N)

65

Mass Number (A)

109

Atomic Mass

108.913324AMU

Spin / Parity

5/2+

Binding E/A

8.290keV

Natural Abundance

Trace / None

Half-life

34.4 s

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

β⁻

100.0%

Decay Chain

¹⁰⁹RuRuthenium34.4 s

β⁻100.0%

¹⁰⁹RhRhodium1.35 min

β⁻100.0%

¹⁰⁹PdPalladium13.6 h

β⁻100.0%

¹⁰⁹AgSilverSTABLE

4-step decay chain → stable · Primary path shown

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