Tl
Thallium-202
Protons (Z)
81
Neutrons (N)
121
Mass number
202
Half-Life
12.31 d
Abundance
---
Mass
201.972 u
Mass Excess
-25,980.4 keV
Spin
2-
Discovered
1940
Binding energy per nucleon
7,886 keV
Neutron separation energy
6,871 keV
Proton separation energy
5,607 keV
Decay Mode
- EC→Mercury-202100%
Decay chain
- TlThallium-202Z 81 · N 12112.31 d
- EC100%