Te
Tellurium-121m
Protons (Z)
52
Neutrons (N)
69
Mass number
121
Half-Life
164.7 d
Abundance
---
Mass
120.905 u
Mass Excess
-88,249.0 keV
Spin
11/2-
Discovered
1940
Binding energy per nucleon
8,464 keV
Neutron separation energy
6,958 keV
Proton separation energy
7,121 keV
Decay Mode
Decay chain
- TeTellurium-121Z 52 · N 69164.7 d
- γ88.6%
- β⁺100%