Bismuth-205 (Bi-205)

Identity

Protons

83

Neutrons

122

Mass number

205

Mass

205.0 ± 5.2 u

Mass excess

-21.066 MeV

Spin

9/2-*

Stability

Half-life: 14.9 days

Natural occurrence

Not found in nature

Decays to

• positron emission → Pb-205