Tl
Thallium-195m
Protons (Z)
81
Neutrons (N)
114
Mass number
195
Half-Life
3.6 s
Abundance
---
Mass
194.97 u
Mass Excess
-27,672.0 keV
Spin
9/2-
Discovered
1957
Binding energy per nucleon
7,888 keV
Neutron separation energy
8,806 keV
Proton separation energy
2,777 keV
Decay Mode
- γ→Thallium-195100%
Decay chain
- TlThallium-195Z 81 · N 1143.6 s
- γ100%
- β⁺100%
- β⁺100%
- EC100%