Polonium-208 (Po-208)

Identity

Protons

84

Neutrons

124

Mass number

208

Mass

208.0 ± 1.8 u

Mass excess

-17.469 MeV

Spin

0+

Stability

Half-life: 2.9 years

Natural occurrence

Not found in nature

Decays to

• alpha 100.0 % → Pb-204
• positron emission 0.0042 % → Bi-208