Tl

Thallium-188

Protons (Z)

81

Neutrons (N)

107

Mass number

188

Half-Life

1.18 m

Abundance

---

Mass

187.976 u

Mass Excess

-22,336.0 keV

Spin

(2-)

Discovered

1970

Binding energy per nucleon

7,853 keV

Neutron separation energy

7,962 keV

Proton separation energy

1,506 keV

Decay Mode

β⁺Mercury-188100%

Decay chain

Thallium-188Z 81 · N 1071.18 m
β⁺100%
β⁺~100%
β⁺100%
EC~100%
β⁺100%