B
Boron-17
Protons (Z)
5
Neutrons (N)
12
Mass number
17
Half-Life
5.08 ms
Abundance
---
Mass
17.047 u
Mass Excess
43,720.0 keV
Spin
(3/2-)
Discovered
1973
Binding energy per nucleon
5,269 keV
Neutron separation energy
1,463 keV
Proton separation energy
21,019 keV
Decay Mode
- β⁻n0.4%
Decay chain
- BBoron-17Z 5 · N 125.08 ms
- β⁻n63%
- β⁻n99%