B
Boron-12
Protons (Z)
5
Neutrons (N)
7
Mass number
12
Half-Life
20.2 ms
Abundance
---
Mass
12.014 u
Mass Excess
13,369.4 keV
Spin
1+
Discovered
1935
Binding energy per nucleon
6,631 keV
Neutron separation energy
3,370 keV
Proton separation energy
14,097 keV
Decay Mode
Decay chain
- BBoron-12Z 5 · N 720.2 ms
- β⁻99.4%