Po

Polonium-205n

Protons (Z)

84

Neutrons (N)

121

Mass number

205

Half-Life

645.0 µs

Abundance

---

Mass

204.982 u

Mass Excess

-16,641.0 keV

Spin

13/2+

Discovered

1962

Binding energy per nucleon

7,832 keV

Neutron separation energy

6,371 keV

Proton separation energy

3,284 keV

Decay Mode

γPolonium-205100%

Decay chain

Polonium-205Z 84 · N 121645.0 µs
γ100%
β⁺99.96%
β⁺100%
EC100%