Periodic Table/Neodymium/¹³⁹Nd

← 138Nd140Nd →

¹³⁹Nd

Neodymium-139

Radioactive· Half-life: 29.7 min

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

60

Neutrons (N)

79

Mass Number (A)

139

Atomic Mass

138.911951AMU

Spin / Parity

3/2+

Binding E/A

8.103keV

Natural Abundance

Trace / None

Half-life

29.7 min

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

β⁺

100.0%

Decay Chain

¹³⁹NdNeodymium29.7 min

β⁺100.0%

¹³⁹PrPraseodymium4.41 h

β⁺100.0%

¹³⁹CeCerium138 d

EC100.0%

¹³⁹LaLanthanumSTABLE

4-step decay chain → stable · Primary path shown

Other Isotopes of Neodymium

124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163

← Back to NeodymiumData: IAEA NDS · ENSDF