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Isotopes of Argon (click to see decay chain): 30Ar  31Ar  32Ar  33Ar  34Ar  35Ar  36Ar  37Ar  38Ar  39Ar  40Ar  41Ar  42Ar  43Ar  44Ar  45Ar  46Ar  47Ar  48Ar  49Ar  50Ar  51Ar  52Ar  53Ar

31Ar     Half-life Fermion, 18p 13n 14.4 ms Spin 5/2 Parity 1 Hide Decay Modes Probability Mode Decay Energy Daughter 63% β+p N/A 30S 28% β+ 17.338MeV 31Cl 7.2% β+2p N/A 29P 1.4% β+3p N/A 28Si 0.38% β+pα N/A 26Si 0.03% β+α N/A 27P Show Ultimate Decay Products Atomic Weight 31.012123 Abundance None Mass Excess 11.293MeV Binding Energy 7.253MeV Magnetic Moment N/A Quadrupole Moment N/A   Show Isotope Symbols. Also show decay chains leading to this isotope. Show all decays, even very low-probability. Show Decay Image Full Size.

Decay chain image generated by Mathematica's GraphPlot and IsotopeData functions from Wolfram Research, Inc..