Periodic Table/Argon/⁴⁵Ar

← 44Ar46Ar →

⁴⁵Ar

Argon-45

Radioactive· Half-life: 21.5 s

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

18

Neutrons (N)

27

Mass Number (A)

45

Atomic Mass

44.968040AMU

Spin / Parity

5/2-

Binding E/A

8.216keV

Natural Abundance

Trace / None

Half-life

21.5 s

Decay Modesoverview · half-life · α · β⁻ · β⁺

β⁻

100.0%

Decay Chain

⁴⁵ArArgon21.5 s

β⁻100.0%

⁴⁵KPotassium17.8 min

β⁻100.0%

⁴⁵CaCalcium163 d

β⁻100.0%

⁴⁵ScScandiumSTABLE

4-step decay chain → stable · Primary path shown

Other Isotopes of Argon

29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54

← Back to ArgonData: IAEA NDS · ENSDF