Periodic Table/Erbium/¹⁴²Er

143Er →

¹⁴²Er

Erbium-142

Radioactive

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

68

Neutrons (N)

74

Mass Number (A)

142

Atomic Mass

141.970016AMU

Spin / Parity

0+

Binding E/A

7.649keV

Natural Abundance

Trace / None

Half-life

Unknown

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

p

Decay Chain

¹⁴²ErErbium?

p

¹⁴¹HoHolmium4.10 ms

p100.0%

β⁺¹⁴¹Dy

β⁺p¹⁴⁰Tb

¹⁴⁰DyDysprosium?

β⁺

β⁺p¹³⁹Gd

¹⁴⁰TbTerbium2.29 s

β⁺100.0%

EC¹⁴⁰Gd3.00%

β⁺p¹³⁹Eu0.26%

¹⁴⁰GdGadolinium15.8 s

β⁺100.0%

e+¹⁴⁰Eu67.0%

EC¹⁴⁰Eu33.0%

¹⁴⁰EuEuropium1.51 s

β⁺100.0%

e+¹⁴⁰Sm95.1%

EC¹⁴⁰Sm4.90%

¹⁴⁰SmSamarium14.8 min

β⁺100.0%

¹⁴⁰PmPromethium9.20 s

β⁺100.0%

¹⁴⁰NdNeodymium3.37 d

EC100.0%

¹⁴⁰PrPraseodymium3.39 min

β⁺100.0%

EC¹⁴⁰Ce51.3%

e+¹⁴⁰Ce48.7%

¹⁴⁰CeCeriumSTABLE

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

Other Isotopes of Erbium

142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180

← Back to ErbiumData: IAEA NDS · ENSDF