Fr
Francium-200n
Protons (Z)
87
Neutrons (N)
113
Mass number
200
Half-Life
790.0 ns
Abundance
---
Mass
200.007 u
Mass Excess
6,280.0 keV
Spin
---
Discovered
2014
Binding energy per nucleon
7,700 keV
Neutron separation energy
8,562 keV
Proton separation energy
-551 keV
Decay Mode
- γ→Francium-200
Decay chain
- FrFrancium-200Z 87 · N 113790.0 ns
- γ
- α100%
- α97.5%
- β⁺88%
- β⁺~100%
- β⁺100%
- EC100%
- β⁺100%