Tl
Thallium-205n
Protons (Z)
81
Neutrons (N)
124
Mass number
205
Half-Life
235.0 ns
Abundance
---
Mass
204.98 u
Mass Excess
-18,985.2 keV
Spin
(35/2-)
Discovered
2004
Binding energy per nucleon
7,855 keV
Neutron separation energy
2,710 keV
Proton separation energy
1,584 keV
Decay Mode
- γ→Thallium-205100%
Decay chain
- TlThallium-205Z 81 · N 124235.0 ns
- γ100%