Au

Gold-203

Protons (Z)

79

Neutrons (N)

124

Mass number

203

Half-Life

1.0 m

Abundance

---

Mass

202.975 u

Mass Excess

-23,143.0 keV

Spin

3/2+

Discovered

1952

Binding energy per nucleon

7,881 keV

Neutron separation energy

6,861 keV

Proton separation energy

7,740 keV

Decay Mode

β⁻Mercury-203100%

Decay chain

Gold-203Z 79 · N 1241.0 m
β⁻100%
β⁻100%