Te
Tellurium-121
Protons (Z)
52
Neutrons (N)
69
Mass number
121
Half-Life
19.31 d
Abundance
---
Mass
120.905 u
Mass Excess
-88,543.0 keV
Spin
1/2+
Discovered
1939
Binding energy per nucleon
8,467 keV
Neutron separation energy
7,252 keV
Proton separation energy
7,415 keV
Decay Mode
- β⁺→Antimony-121100%
Decay chain
- TeTellurium-121Z 52 · N 6919.31 d
- β⁺100%