Si

Silicon-40

Protons (Z)

14

Neutrons (N)

26

Mass number

40

Half-Life

31.2 ms

Abundance

---

Mass

40.006 u

Mass Excess

5,670.0 keV

Spin

0+

Discovered

1989

Binding energy per nucleon

7,656 keV

Neutron separation energy

4,721 keV

Proton separation energy

23,109 keV

Decay Mode

Decay chain

Silicon-40Z 14 · N 2631.2 ms
β⁻62%
β⁻84.2%
β⁻100%
β⁻100%