Periodic Table/Samarium/¹⁶⁸Sm

← 167Sm

¹⁶⁸Sm

Samarium-168

Radioactive

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

62

Neutrons (N)

106

Mass Number (A)

168

Atomic Mass

167.966033AMU

Spin / Parity

0+

Binding E/A

7.782keV

Natural Abundance

Trace / None

Half-life

Unknown

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

β⁻

β⁻n

Decay Chain

¹⁶⁸SmSamarium?

β⁻

β⁻n¹⁶⁷Eu

¹⁶⁸EuEuropium200 ms

β⁻100.0%

β⁻n¹⁶⁷Gd

¹⁶⁸GdGadolinium3.03 s

β⁻100.0%

¹⁶⁸TbTerbium9.40 s

β⁻100.0%

¹⁶⁸DyDysprosium8.70 min

β⁻100.0%

¹⁶⁸HoHolmium2.99 min

β⁻100.0%

¹⁶⁸ErErbiumSTABLE

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

Other Isotopes of Samarium

128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168

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