Tl

Thallium-200n

Protons (Z)

81

Neutrons (N)

119

Mass number

200

Half-Life

397.0 ns

Abundance

---

Mass

199.972 u

Mass Excess

-26,285.0 keV

Spin

5+

Discovered

1972

Binding energy per nucleon

7,886 keV

Neutron separation energy

6,297 keV

Proton separation energy

4,028 keV

Decay Mode

γThallium-200100%

Decay chain

Thallium-200Z 81 · N 119397.0 ns
γ100%
β⁺100%