Po

Polonium-187m

Protons (Z)

84

Neutrons (N)

103

Mass number

187

Half-Life

500.0 µs

Abundance

---

Mass

187.003 u

Mass Excess

2,830.0 keV

Spin

(13/2+)

Discovered

2006

Binding energy per nucleon

7,705 keV

Neutron separation energy

9,343 keV

Proton separation energy

1,314 keV

Decay Mode

Decay chain

Polonium-187Z 84 · N 103500.0 µs
α100%
α100%
α75%
α64%
α1.8%
β⁺99.96%
β⁺100%
β⁺100%
β⁺100%
β⁺100%
EC100%