Periodic Table/Gadolinium/¹⁴²Gd

← 141Gd143Gd →

¹⁴²Gd

Gadolinium-142

Radioactive· Half-life: 1.17 min

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

64

Neutrons (N)

78

Mass Number (A)

142

Atomic Mass

141.928116AMU

Spin / Parity

0+

Binding E/A

7.960keV

Natural Abundance

Trace / None

Half-life

1.17 min

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

β⁺

100.0%

EC

52.0%

e+

48.0%

Decay Chain

¹⁴²GdGadolinium1.17 min

β⁺100.0%

EC¹⁴²Eu52.0%

e+¹⁴²Eu48.0%

¹⁴²EuEuropium2.36 s

β⁺100.0%

e+¹⁴²Sm89.9%

EC¹⁴²Sm10.1%

¹⁴²SmSamarium1.21 h

β⁺100.0%

e+¹⁴²Pm5.00%

¹⁴²PmPromethium40.5 s

β⁺100.0%

e+¹⁴²Nd77.1%

EC¹⁴²Nd22.9%

¹⁴²NdNeodymiumSTABLE

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

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