B

Boron-9

Protons (Z)

5

Neutrons (N)

4

Mass number

9

Half-Life

800.0 zs

Abundance

---

Mass

9.013 u

Mass Excess

12,416.5 keV

Spin

3/2-

Discovered

1940

Binding energy per nucleon

6,257 keV

Neutron separation energy

18,576 keV

Proton separation energy

-186 keV

Decay Mode

pBeryllium-8100%

Decay chain

Boron-9Z 5 · N 4800.0 zs
p100%
α100%