Periodic Table/Samarium/¹⁵¹Sm

← 150Sm152Sm →

¹⁵¹Sm

Samarium-151

Radioactive· Half-life: 94.6 y

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

62

Neutrons (N)

89

Mass Number (A)

151

Atomic Mass

150.919939AMU

Spin / Parity

5/2-

Binding E/A

8.034keV

Natural Abundance

Trace / None

Half-life

94.6 y

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

β⁻

100.0%

Decay Chain

¹⁵¹SmSamarium94.6 y

β⁻100.0%

¹⁵¹EuEuropium4600000000 Gy

α100.0%

¹⁴⁷PmPromethium2.62 y

β⁻100.0%

¹⁴⁷SmSamarium107 Gy

α100.0%

¹⁴³NdNeodymiumSTABLE

5-step decay chain → stable · Primary path shown

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

← Back to SamariumData: IAEA NDS · ENSDF