Au
Gold-204
Protons (Z)
79
Neutrons (N)
125
Mass number
204
Half-Life
38.3 s
Abundance
---
Mass
203.978 u
Mass Excess
-20,390.0 keV
Spin
(2-)
Discovered
1972
Binding energy per nucleon
7,868 keV
Neutron separation energy
5,318 keV
Proton separation energy
8,169 keV
Decay Mode
- β⁻→Mercury-204100%
Decay chain
- AuGold-204Z 79 · N 12538.3 s
- β⁻100%