Si

Silicon-31

Protons (Z)

14

Neutrons (N)

17

Mass number

31

Half-Life

2.62 h

Abundance

---

Mass

30.975 u

Mass Excess

-22,949.04 keV

Spin

3/2+

Discovered

1934

Binding energy per nucleon

8,458 keV

Neutron separation energy

6,587 keV

Proton separation energy

14,374 keV

Decay Mode

β⁻Phosphorus-31100%

Decay chain

Silicon-31Z 14 · N 172.62 h
β⁻100%