Fr
Francium-214
Protons (Z)
87
Neutrons (N)
127
Mass number
214
Half-Life
5.51 ms
Abundance
---
Mass
213.999 u
Mass Excess
-958.0 keV
Spin
(1-)
Discovered
1967
Binding energy per nucleon
7,758 keV
Neutron separation energy
5,475 keV
Proton separation energy
2,551 keV
Decay Mode
- α→Astatine-210100%
Decay chain
- FrFrancium-214Z 87 · N 1275.51 ms
- α100%
- β⁺99.825%
- α100%