Rf
Rutherfordium-258m
Protons (Z)
104
Neutrons (N)
154
Mass number
258
Half-Life
3.4 ms
Abundance
---
Mass
258.105 u
Mass Excess
97,540.0 keV
Spin
---
Discovered
2016
Binding energy per nucleon
7,378 keV
Neutron separation energy
6,397 keV
Proton separation energy
2,419 keV
Decay Mode
Decay chain
- RfRutherfordium-258Z 104 · N 1543.4 ms
- γ
- α4.9%
- α90%
- α~100%
- α~100%
- α~100%
- α~100%
- α~100%
- α~100%
- α~100%
- α100%
- α99.98%
- β⁻100%
- β⁻99.976%
- α100%
- β⁻~100%
- β⁻~100%
- α100%