Th
Thorium-215m
Protons (Z)
90
Neutrons (N)
125
Mass number
215
Half-Life
770.0 ns
Abundance
---
Mass
215.013 u
Mass Excess
12,390.0 keV
Spin
(9/2+)
Discovered
2005
Binding energy per nucleon
7,686 keV
Neutron separation energy
6,376 keV
Proton separation energy
1,332 keV
Decay Mode
- γ→Thorium-215100%
Decay chain
- ThThorium-215Z 90 · N 125770.0 ns
- γ100%
- α100%
- α100%
- β⁺79%
- β⁺90%
- β⁺~100%
- β⁺100%