Fr
Francium-211
Protons (Z)
87
Neutrons (N)
124
Mass number
211
Half-Life
3.1 m
Abundance
---
Mass
210.996 u
Mass Excess
-4,140.0 keV
Spin
9/2-
Discovered
1964
Binding energy per nucleon
7,768 keV
Neutron separation energy
8,867 keV
Proton separation energy
1,824 keV
Decay Mode
Decay chain
- FrFrancium-211Z 87 · N 1243.1 m
- α87%
- β⁺90%
- β⁺~100%
- β⁺100%