Periodic Table/Ytterbium/¹⁵⁷Yb

← 156Yb158Yb →

¹⁵⁷Yb

Ytterbium-157

Radioactive· Half-life: 38.6 s

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

70

Neutrons (N)

87

Mass Number (A)

157

Atomic Mass

156.942651AMU

Spin / Parity

7/2-

Binding E/A

7.835keV

Natural Abundance

Trace / None

Half-life

38.6 s

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

β⁺

100.0%

α

Decay Chain

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

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

Other Isotopes of Ytterbium

148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185

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