Tl

Thallium-177

Protons (Z)

81

Neutrons (N)

96

Mass number

177

Half-Life

18.0 ms

Abundance

---

Mass

176.996 u

Mass Excess

-3,340.0 keV

Spin

(1/2+)

Discovered

1999

Binding energy per nucleon

7,732 keV

Neutron separation energy

11,991 keV

Proton separation energy

-1,156 keV

Decay Mode

Decay chain

Thallium-177Z 81 · N 9618.0 ms
α73%
α86%
α53%
β⁺86%
β⁺100%
β⁺100%
β⁺100%
β⁺100%
β⁺100%
β⁺100%
EC100%