Te

Tellurium-129

Protons (Z)

52

Neutrons (N)

77

Mass number

129

Half-Life

1.16 h

Abundance

---

Mass

128.907 u

Mass Excess

-87,004.9 keV

Spin

3/2+

Discovered

1939

Binding energy per nucleon

8,430 keV

Neutron separation energy

6,082 keV

Proton separation energy

9,664 keV

Decay Mode

β⁻Iodine-129100%

Decay chain

Tellurium-129Z 52 · N 771.16 h
β⁻100%
β⁻100%