Fr
Francium-201n
Protons (Z)
87
Neutrons (N)
114
Mass number
201
Half-Life
720.0 ns
Abundance
---
Mass
201.004 u
Mass Excess
3,879.0 keV
Spin
13/2+
Discovered
2014
Binding energy per nucleon
7,713 keV
Neutron separation energy
10,322 keV
Proton separation energy
-590 keV
Decay Mode
- γ→Francium-201100%
Decay chain
- FrFrancium-201Z 87 · N 114720.0 ns
- γ100%
- α100%
- α96.1%
- β⁺96.5%
- β⁺
- β⁺100%
- β⁺100%
- β⁺100%
- EC100%