Lu

Lutetium-171

Protons (Z)

71

Neutrons (N)

100

Mass number

171

Half-Life

8.25 d

Abundance

---

Mass

170.938 u

Mass Excess

-57,828.5 keV

Spin

7/2+

Discovered

1951

Binding energy per nucleon

8,085 keV

Neutron separation energy

8,594 keV

Proton separation energy

4,354 keV

Decay Mode

β⁺Ytterbium-171100%

Decay chain

Lutetium-171Z 71 · N 1008.25 d
β⁺100%