Fr
Francium-206m
Protons (Z)
87
Neutrons (N)
119
Mass number
206
Half-Life
---
Abundance
---
Mass
205.999 u
Mass Excess
-1,048.0 keV
Spin
7+
Discovered
1964
Binding energy per nucleon
7,746 keV
Neutron separation energy
7,809 keV
Proton separation energy
627 keV
Decay Mode
Decay chain
- FrFrancium-206Z 87 · N 119Unknown
- α84.7%
- β⁺88%
- β⁺98.08%
- β⁺~100%
- EC100%
- EC100%