Al
Aluminium-31
Protons (Z)
13
Neutrons (N)
18
Mass number
31
Half-Life
644.0 ms
Abundance
---
Mass
30.984 u
Mass Excess
-14,950.7 keV
Spin
5/2+
Discovered
1971
Binding energy per nucleon
8,226 keV
Neutron separation energy
7,158 keV
Proton separation energy
13,358 keV
Decay Mode
Decay chain
- AlAluminium-31Z 13 · N 18644.0 ms
- β⁻100%
- β⁻100%