Ar

Argon-45

Protons (Z)

18

Neutrons (N)

27

Mass number

45

Half-Life

21.48 s

Abundance

---

Mass

44.968 u

Mass Excess

-29,770.8 keV

Spin

(5/2-)

Discovered

1974

Binding energy per nucleon

8,420 keV

Neutron separation energy

5,169 keV

Proton separation energy

16,580 keV

Decay Mode

β⁻Potassium-45100%

Decay chain

Argon-45Z 18 · N 2721.48 s
β⁻100%
β⁻100%
β⁻100%