Th
Thorium-212
Protons (Z)
90
Neutrons (N)
122
Mass number
212
Half-Life
31.7 ms
Abundance
---
Mass
212.013 u
Mass Excess
12,111.0 keV
Spin
0+
Discovered
1980
Binding energy per nucleon
7,682 keV
Neutron separation energy
9,840 keV
Proton separation energy
2,318 keV
Decay Mode
Decay chain
- ThThorium-212Z 90 · N 12231.7 ms
- α100%
- α87%
- α72.4%
- β⁺88.9%
- β⁺100%
- EC100%
- β⁺100%