Sn

Tin-129

Protons (Z)

50

Neutrons (N)

79

Mass number

129

Half-Life

2.23 m

Abundance

---

Mass

128.913 u

Mass Excess

-80,591.0 keV

Spin

3/2+

Discovered

1962

Binding energy per nucleon

8,393 keV

Neutron separation energy

5,301 keV

Proton separation energy

13,690 keV

Decay Mode

β⁻Antimony-129100%

Decay chain

Tin-129Z 50 · N 792.23 m
β⁻100%
β⁻100%
β⁻100%
β⁻100%