Tl
Thallium-210m
Protons (Z)
81
Neutrons (N)
129
Mass number
210
Half-Life
1.0 m
Abundance
---
Mass
209.991 u
Mass Excess
-8,050.0 keV
Spin
9+
Discovered
2018
Binding energy per nucleon
7,808 keV
Neutron separation energy
2,476 keV
Proton separation energy
6,729 keV
Decay Mode
Decay chain
- TlThallium-210Z 81 · N 1291.0 m
- β⁻
- β⁻~100%
- β⁻~100%
- α100%