Th
Thorium-209
Protons (Z)
90
Neutrons (N)
119
Mass number
209
Half-Life
60.0 ms
Abundance
---
Mass
209.018 u
Mass Excess
16,400.0 keV
Spin
(5/2-)
Discovered
---
Binding energy per nucleon
7,656 keV
Neutron separation energy
8,361 keV
Proton separation energy
1,649 keV
Decay Mode
Decay chain
- ThThorium-209Z 90 · N 11960.0 ms
- α
- α100%
- α
- α44%
- β⁺
- β⁺100%
- β⁺100%
- β⁺100%
- EC100%