Periodic Table/Praseodymium/¹⁴⁰Pr

← 139Pr141Pr →

¹⁴⁰Pr

Praseodymium-140

Radioactive· Half-life: 3.39 min

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

59

Neutrons (N)

81

Mass Number (A)

140

Atomic Mass

139.909086AMU

Spin / Parity

1+

Binding E/A

8.131keV

Natural Abundance

Trace / None

Half-life

3.39 min

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

β⁺

100.0%

e+

48.7%

EC

51.3%

Decay Chain

¹⁴⁰PrPraseodymium3.39 min

β⁺100.0%

EC¹⁴⁰Ce51.3%

e+¹⁴⁰Ce48.7%

¹⁴⁰CeCeriumSTABLE

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

Other Isotopes of Praseodymium

121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161

← Back to PraseodymiumData: IAEA NDS · ENSDF