Gold-198 (Au-198)

Identity

Protons

79

Neutrons

119

Mass number

198

Mass

197.97 ± 0.58 u

Mass excess

-29.581 MeV

Spin

2-*

Stability

Half-life: 2.69 days

Natural occurrence

Not found in nature

Decays to

• beta minus → Hg-198