Periodic Table/Lutetium/¹⁵⁷Lu

← 156Lu158Lu →

¹⁵⁷Lu

Lutetium-157

Radioactive· Half-life: 7.70 s

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

71

Neutrons (N)

86

Mass Number (A)

157

Atomic Mass

156.950145AMU

Spin / Parity

1/2+

Binding E/A

7.782keV

Natural Abundance

Trace / None

Half-life

7.70 s

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

β⁺

α

Decay Chain

¹⁵⁷LuLutetium7.70 s

β⁺

α¹⁵³Tm

¹⁵⁷YbYtterbium38.6 s

β⁺100.0%

α¹⁵³Er

¹⁵⁷TmThulium3.63 min

β⁺100.0%

α¹⁵³Ho7.50%

¹⁵⁷ErErbium18.6 min

β⁺100.0%

¹⁵⁷HoHolmium12.6 min

β⁺100.0%

¹⁵⁷DyDysprosium8.14 h

β⁺100.0%

¹⁵⁷TbTerbium71.0 y

EC100.0%

¹⁵⁷GdGadoliniumSTABLE

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

Other Isotopes of Lutetium

150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188

← Back to LutetiumData: IAEA NDS · ENSDF