Th
Thorium-215
Protons (Z)
90
Neutrons (N)
125
Mass number
215
Half-Life
1.35 s
Abundance
---
Mass
215.012 u
Mass Excess
10,921.0 keV
Spin
(1/2-)
Discovered
1968
Binding energy per nucleon
7,693 keV
Neutron separation energy
7,845 keV
Proton separation energy
2,801 keV
Decay Mode
- α→Radium-211100%
Decay chain
- ThThorium-215Z 90 · N 1251.35 s
- α100%
- α100%
- β⁺79%
- β⁺90%
- β⁺~100%
- β⁺100%