Tl

Thallium-203n

Protons (Z)

81

Neutrons (N)

122

Mass number

203

Half-Life

7.7 µs

Abundance

---

Mass

202.976 u

Mass Excess

-22,200.0 keV

Spin

(25/2+)

Discovered

1998

Binding energy per nucleon

7,869 keV

Neutron separation energy

4,291 keV

Proton separation energy

2,144 keV

Decay Mode

γThallium-203100%

Decay chain

Thallium-203Z 81 · N 1227.7 µs
γ100%