Periodic Table/Europium/¹³¹Eu

← 130Eu132Eu →

¹³¹Eu

Europium-131

Radioactive· Half-life: 17.8 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

63

Neutrons (N)

68

Mass Number (A)

131

Atomic Mass

130.957634AMU

Spin / Parity

3/2+

Binding E/A

7.751keV

Natural Abundance

Trace / None

Half-life

17.8 ms

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

p

89.0%

β⁺

β⁺p

Decay Chain

¹³¹EuEuropium17.8 ms

p89.0%

β⁺¹³¹Sm

β⁺p¹³⁰Pm

¹³⁰SmSamarium?

β⁺

¹³⁰PmPromethium2.60 s

β⁺100.0%

β⁺p¹²⁹Pr

¹³⁰NdNeodymium21.0 s

β⁺100.0%

¹³⁰PrPraseodymium40.0 s

β⁺100.0%

¹³⁰CeCerium22.9 min

β⁺100.0%

¹³⁰LaLanthanum8.70 min

β⁺100.0%

¹³⁰BaBariumSTABLE

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

Other Isotopes of Europium

130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170

← Back to EuropiumData: IAEA NDS · ENSDF