Tl

Thallium-190

Protons (Z)

81

Neutrons (N)

109

Mass number

190

Half-Life

2.6 m

Abundance

---

Mass

189.974 u

Mass Excess

-24,366.0 keV

Spin

2-

Discovered

1970

Binding energy per nucleon

7,866 keV

Neutron separation energy

7,821 keV

Proton separation energy

2,025 keV

Decay Mode

β⁺Mercury-190100%

Decay chain

Thallium-190Z 81 · N 1092.6 m
β⁺100%
β⁺100%
β⁺~100%
α100%
α100%