Db
Dubnium-256
Protons (Z)
105
Neutrons (N)
151
Mass number
256
Half-Life
1.7 s
Abundance
---
Mass
256.108 u
Mass Excess
100,300.0 keV
Spin
(9-)
Discovered
2001
Binding energy per nucleon
7,359 keV
Neutron separation energy
7,371 keV
Proton separation energy
1,319 keV
Decay Mode
- SF
Decay chain
- DbDubnium-256Z 105 · N 1511.7 s
- α70%
- α98%
- β⁺80%
- α~100%
- α75%
- α~100%
- α~100%
- α~100%
- α~100%
- α~100%
- α100%
- α100%
- β⁻100%
- β⁻64.046%
- α100%