Periodic Table/Argon/⁵¹Ar

← 50Ar52Ar →

⁵¹Ar

Argon-51

Radioactive

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

18

Neutrons (N)

33

Mass Number (A)

51

Atomic Mass

50.993033AMU

Spin / Parity

1/2-

Binding E/A

7.742keV

Natural Abundance

Trace / None

Half-life

Unknown

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

β⁻

β⁻n

2n

Decay Chain

β⁻

β⁻n⁵⁰K

2n⁴⁹Ar

⁵¹KPotassium365 ms

β⁻100.0%

β⁻n⁵⁰Ca65.0%

2n⁴⁹K

⁵¹CaCalcium10.0 s

β⁻100.0%

β⁻n⁵⁰Sc

⁵¹ScScandium12.4 s

β⁻100.0%

β⁻n⁵⁰Ti

⁵¹TiTitanium5.76 min

β⁻100.0%

⁵¹VVanadiumSTABLE

6-step decay chain → stable · Primary path shown · branching ratios indicated

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