Cl

Chlorine-40

Protons (Z)

17

Neutrons (N)

23

Mass number

40

Half-Life

1.35 m

Abundance

---

Mass

39.97 u

Mass Excess

-27,560.0 keV

Spin

2-

Discovered

1956

Binding energy per nucleon

8,428 keV

Neutron separation energy

5,831 keV

Proton separation energy

11,689 keV

Decay Mode

β⁻Argon-40100%

Decay chain

Chlorine-40Z 17 · N 231.35 m
β⁻100%