Tl
Thallium-215
Protons (Z)
81
Neutrons (N)
134
Mass number
215
Half-Life
9.7 s
Abundance
---
Mass
215.011 u
Mass Excess
10,030.0 keV
Spin
(1/2+)
Discovered
2010
Binding energy per nucleon
7,730 keV
Neutron separation energy
4,511 keV
Proton separation energy
9,029 keV
Decay Mode
Decay chain
- TlThallium-215Z 81 · N 1349.7 s
- β⁻95.4%
- β⁻100%
- β⁻100%
- α~100%
- β⁻100%
- α~100%
- β⁻100%