Periodic Table/Gadolinium/¹³⁸Gd

← 137Gd139Gd →

¹³⁸Gd

Gadolinium-138

Radioactive· Half-life: 4.70 s

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

64

Neutrons (N)

74

Mass Number (A)

138

Atomic Mass

137.940247AMU

Spin / Parity

0+

Binding E/A

7.875keV

Natural Abundance

Trace / None

Half-life

4.70 s

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

β⁺

100.0%

Decay Chain

¹³⁸GdGadolinium4.70 s

β⁺100.0%

¹³⁸EuEuropium?

β⁺

¹³⁸SmSamarium3.10 min

β⁺100.0%

¹³⁸PmPromethium3.24 min

β⁺100.0%

¹³⁸NdNeodymium5.04 h

β⁺100.0%

¹³⁸PrPraseodymium1.45 min

β⁺100.0%

¹³⁸CeCeriumSTABLE

7-step decay chain → stable · Primary path shown

Other Isotopes of Gadolinium

133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172

← Back to GadoliniumData: IAEA NDS · ENSDF