Mg
Magnesium-40
Protons (Z)
12
Neutrons (N)
28
Mass number
40
Half-Life
1.0 ms
Abundance
---
Mass
40.053 u
Mass Excess
49,550.0 keV
Spin
0+
Discovered
2007
Binding energy per nucleon
6,598 keV
Neutron separation energy
1,301 keV
Proton separation energy
27,719 keV
Decay Mode
Decay chain
- MgMagnesium-40Z 12 · N 281.0 ms
- β⁻
- β⁻
- β⁻62%
- β⁻84.2%
- β⁻100%
- β⁻100%