Rg
Roentgenium-280
Protons (Z)
111
Neutrons (N)
169
Mass number
280
Half-Life
4.3 s
Abundance
---
Mass
280.165 u
Mass Excess
153,890.0 keV
Spin
---
Discovered
2004
Binding energy per nucleon
7,212 keV
Neutron separation energy
5,901 keV
Proton separation energy
2,419 keV
Decay Mode
- α→Meitnerium-276100%
Decay chain
- RgRoentgenium-280Z 111 · N 1694.3 s
- α100%
- α100%
- α100%
- β⁺
- α
- α