Tc
Technetium-90
Protons (Z)
43
Neutrons (N)
47
Mass number
90
Half-Life
49.2 s
Abundance
---
Mass
89.924 u
Mass Excess
-70,724.7 keV
Spin
(8+)
Discovered
1974
Binding energy per nucleon
8,483 keV
Neutron separation energy
11,401 keV
Proton separation energy
2,999 keV
Decay Mode
- β⁺→Molybdenum-90100%
Decay chain
- TcTechnetium-90Z 43 · N 4749.2 s
- β⁺100%
- β⁺100%
- β⁺100%