Periodic Table/Ruthenium/¹²²Ru

← 121Ru123Ru →

¹²²Ru

Ruthenium-122

Radioactive· Half-life: 25.0 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

44

Neutrons (N)

78

Mass Number (A)

122

Atomic Mass

121.955147AMU

Spin / Parity

0+

Binding E/A

7.947keV

Natural Abundance

Trace / None

Half-life

25.0 ms

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

β⁻

100.0%

β⁻n

2n

Decay Chain

¹²²RuRuthenium25.0 ms

β⁻100.0%

β⁻n¹²¹Rh

2n¹²⁰Ru

¹²²RhRhodium51.0 ms

β⁻100.0%

β⁻n¹²¹Pd3.90%

2n¹²⁰Rh

¹²²PdPalladium193 ms

β⁻100.0%

β⁻n¹²¹Ag2.50%

¹²²AgSilver529 ms

β⁻100.0%

β⁻n¹²¹Cd0.19%

¹²²CdCadmium5.24 s

β⁻100.0%

¹²²InIndium1.50 s

β⁻100.0%

¹²²SnTinSTABLE

7-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