Periodic Table/Promethium/¹³⁴Pm

← 133Pm135Pm →

¹³⁴Pm

Promethium-134

Radioactive· Half-life: 22.0 s

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

61

Neutrons (N)

73

Mass Number (A)

134

Atomic Mass

133.928326AMU

Spin / Parity

5+

Binding E/A

7.981keV

Natural Abundance

Trace / None

Half-life

22.0 s

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

β⁺

100.0%

Decay Chain

¹³⁴PmPromethium22.0 s

β⁺100.0%

¹³⁴NdNeodymium8.50 min

β⁺100.0%

¹³⁴PrPraseodymium17.0 min

β⁺100.0%

¹³⁴CeCerium3.16 d

EC100.0%

¹³⁴LaLanthanum6.45 min

β⁺100.0%

¹³⁴BaBariumSTABLE

6-step decay chain → stable · Primary path shown

Other Isotopes of Promethium

126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165

← Back to PromethiumData: IAEA NDS · ENSDF