| Nuc- lide | Atomic Mass | NN | Abun % | Spin | Half Life | DM | DT | BR % | Decay Energy (MeV) |
|---|---|---|---|---|---|---|---|---|---|
| Ar30 | 30.022 | 12 | Syn | 0+ | <20ns | ||||
| Ar31 | 31.012 | 13 | Syn | 15.1ms | |||||
| Ar32 | 31.9977 | 14 | Syn | 0+ | 98ms | ε | Cl32 | 11.150 | |
| 98ms | ε + P | S31 | 9.580 | ||||||
| Ar33 | 32.9899 | 15 | Syn | 1/2+ | 173ms | ε + P | S32 | 38.7 | 9.350 |
| 173ms | ε | Cl33 | 11.620 | ||||||
| Ar34 | 33.9803 | 16 | Syn | 0+ | 844.5ms | ε | Cl34 | 6.061 | |
| Ar35 | 34.9753 | 17 | Syn | 3/2+ | 1.775s | ε | Cl35 | 5.965 | |
| Ar36 | 35.9675 | 18 | 0.337 | 0+ | Stable | ||||
| Ar37 | 36.9668 | 19 | Syn | 3/2+ | 35.04d | ε | Cl37 | 0.813 | |
| Ar38 | 37.9627 | 20 | 0.063 | 0+ | Stable | ||||
| Ar39 | 38.9643 | 21 | Syn | 7/2- | 269y | β- | K39 | 0.565 | |
| Ar40 | 39.9624 | 22 | 99.6 | 0+ | Stable | ||||
| Ar41 | 40.9645 | 23 | Syn | 7/2- | 109.34m | β- | K41 | 2.492 | |
| Ar42 | 41.963 | 24 | Syn | 0+ | 32.9y | β- | K42 | 0.600 | |
| Ar43 | 42.9657 | 25 | Syn | 5/2- | 5.37m | β- | K43 | 4.620 | |
| Ar44 | 43.9654 | 26 | Syn | 0+ | 11.87m | β- | K44 | 3.550 | |
| Ar45 | 44.9681 | 27 | Syn | 21.48s | β- | K45 | 6.890 | ||
| Ar46 | 45.9681 | 28 | Syn | 0+ | 8.4s | β- | K46 | 5.700 | |
| Ar47 | 46.972 | 29 | Syn | ~700ms | β- + N | K46 | <1 | 1.440 | |
| ~700ms | β- | K47 | 9.790 | ||||||
| Ar48 | 47.975 | 30 | Syn | 0+ | |||||
| Ar49 | 48.982 | 31 | Syn | =>170ns | |||||
| Ar50 | 49.986 | 32 | Syn | 0+ | =>170ns | ||||
| Ar51 | 50.993 | 33 | Syn | >200ns | |||||
| Ar52 | 51.998 | 34 | Syn | 0+ | |||||
| Ar53 | 53.01 | 35 | Syn | ||||||
| Nuclide | Potential Parent Nuclides |
|---|---|
| Ar30 | None known |
| Ar31 | None known |
| Ar32 | None known |
| Ar33 | None known |
| Ar34 | None known |
| Ar35 | Ca36 (Syn) K35 (Syn) |
| Ar36 | Ca37 (Syn) Cl36 (Syn) K36 (Syn) Sc40 (Syn) |
| Ar37 | K37 (Syn) |
| Ar38 | Cl38 (Syn) K38 (Syn) K38m (Syn) |
| Ar39 | Cl39 (Syn) |
| Ar40 | Cl40 (Syn) K40 (Natural) |
| Ar41 | Cl41 (Syn) |
| Ar42 | Cl42 (Syn) |
| Ar43 | Cl43 (Syn) Cl44 (Syn) |
| Ar44 | Cl44 (Syn) Cl45 (Syn) |
| Ar45 | Cl45 (Syn) Cl46 (Syn) |
| Ar46 | Cl46 (Syn) Cl47 (Syn) |
| Ar47 | Cl47 (Syn) |
| Ar48 | None known |
| Ar49 | None known |
| Ar50 | None known |
| Ar51 | None known |
| Ar52 | None known |
| Ar53 | None known |
Key:
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A list of reference sources used to compile the data provided on our periodic table of elements can be found on the main periodic table page.
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Kenneth Barbalace. Periodic Table of Elements - Ar - Argon. EnvironmentalChemistry.com. 1995 - 2024. Accessed on-line: 12/21/2024
https://EnvironmentalChemistry.com/yogi/periodic/Ar-pg2.html
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