Polonium-210 (Po-210)

Identity

Protons

84

Neutrons

126

Mass number

210

Mass

210.0 ± 1.2 u

Mass excess

-15.953 MeV

Spin

0+

Stability

Half-life: 138 days

Natural occurrence

Not found in nature

Decays to

• alpha → Pb-206

Produced by

• Bi-210