Tl
Thallium-185m
Protons (Z)
81
Neutrons (N)
104
Mass number
185
Half-Life
1.93 s
Abundance
---
Mass
184.979 u
Mass Excess
-19,303.0 keV
Spin
9/2-
Discovered
1976
Binding energy per nucleon
7,833 keV
Neutron separation energy
10,491 keV
Proton separation energy
247 keV
Decay Mode
Decay chain
- TlThallium-185Z 81 · N 1041.93 s
- γ100%
- β⁺100%
- β⁺94%
- β⁺99.74%
- β⁺~100%
- β⁺100%
- EC100%