Fr
Francium-213n
Protons (Z)
87
Neutrons (N)
126
Mass number
213
Half-Life
238.0 ns
Abundance
---
Mass
212.999 u
Mass Excess
-1,016.0 keV
Spin
29/2+
Discovered
1971
Binding energy per nucleon
7,757 keV
Neutron separation energy
5,571 keV
Proton separation energy
-354 keV
Decay Mode
- γ→Francium-213100%
Decay chain
- FrFrancium-213Z 87 · N 126238.0 ns
- γ100%
- α99.44%
- β⁺96.1%
- α99.546%
- EC100%