Tl
Thallium-185
Protons (Z)
81
Neutrons (N)
104
Mass number
185
Half-Life
19.5 s
Abundance
---
Mass
184.979 u
Mass Excess
-19,758.0 keV
Spin
1/2+
Discovered
1976
Binding energy per nucleon
7,836 keV
Neutron separation energy
10,946 keV
Proton separation energy
702 keV
Decay Mode
Decay chain
- TlThallium-185Z 81 · N 10419.5 s
- β⁺100%
- β⁺94%
- β⁺99.74%
- β⁺~100%
- β⁺100%
- EC100%