Au
Gold-199
Protons (Z)
79
Neutrons (N)
120
Mass number
199
Half-Life
3.14 d
Abundance
---
Mass
198.969 u
Mass Excess
-29,093.8 keV
Spin
3/2+
Discovered
1937
Binding energy per nucleon
7,907 keV
Neutron separation energy
7,584 keV
Proton separation energy
6,479 keV
Decay Mode
- β⁻→Mercury-199100%
Decay chain
- AuGold-199Z 79 · N 1203.14 d
- β⁻100%