129Sn
Tin-129
Radioactive· Half-life: 2.23 min
Nuclear Propertiesbinding energy · spin-parity · abundance
Protons (Z)
50
Neutrons (N)
79
Mass Number (A)
129
Atomic Mass
128.913482AMU
Spin / Parity
3/2+
Binding E/A
8.195keV
Natural Abundance
Trace / None
Half-life
2.23 min
Decay Chain
β⁻100.0%
129SbAntimony4.37 hβ⁻100.0%
129TeTellurium1.16 hβ⁻100.0%
129IIodine16.1 Myβ⁻100.0%
129XeXenonSTABLE5-step decay chain → stable · Primary path shown
Other Isotopes of Tin
← Back to TinData: IAEA NDS · ENSDF