Periodic Table/Ruthenium/¹²³Ru

← 122Ru124Ru →

¹²³Ru

Ruthenium-123

Radioactive· Half-life: 19.0 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

44

Neutrons (N)

79

Mass Number (A)

123

Atomic Mass

122.960762AMU

Spin / Parity

3/2+

Binding E/A

7.906keV

Natural Abundance

Trace / None

Half-life

19.0 ms

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

β⁻

100.0%

β⁻n

2n

Decay Chain

¹²³RuRuthenium19.0 ms

β⁻100.0%

β⁻n¹²²Rh

2n¹²¹Ru

¹²³RhRhodium42.0 ms

β⁻100.0%

β⁻n¹²²Pd24.0%

2n¹²¹Rh

¹²³PdPalladium108 ms

β⁻100.0%

β⁻n¹²²Ag10.0%

¹²³AgSilver294 ms

β⁻100.0%

β⁻n¹²²Cd0.56%

¹²³CdCadmium2.10 s

β⁻100.0%

¹²³InIndium6.17 s

β⁻100.0%

¹²³SnTin129 d

β⁻100.0%

¹²³SbAntimonySTABLE

8-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