Periodic Table of Elements
K - Potassium
Potassium Menu
- Potassium Page One
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Nuclides / Isotopes
| Nuc- lide | Atomic Mass | NN | Abun % | Spin | Half Life | DM | DT | BR % | Decay Energy (MeV) |
|---|---|---|---|---|---|---|---|---|---|
| K32 | 32.022 | 13 | Syn | ||||||
| K33 | 33.007 | 14 | Syn | ||||||
| K34 | 33.998 | 15 | Syn | ||||||
| K35 | 34.988 | 16 | Syn | 3/2+ | 190ms |  + P | Cl34 | 0.37 | 5.984 |
| 190ms | | Ar35 | 11.881 | ||||||
| K36 | 35.9813 | 17 | Syn | 2+ | 342ms | + P | Cl35 | 0.05 | 4.299 |
| 342ms | +  | S32 | 0.0034 | 6.166 | |||||
| 342ms | | Ar36 | 12.805 | ||||||
| K37 | 36.9734 | 18 | Syn | 3/2+ | 1.226s | | Ar37 | 6.149 | |
| K38 | 37.9691 | 19 | Syn | 3+ | 7.636m | | Ar38 | 5.913 | |
| meta state 0.130MeV | Syn | 0+ | 923.9ms | | Ar38 | 6.043 | |||
| K39 | 38.9637 | 20 | 93.258 | 3/2+ | Stable | ||||
| K40 | 39.964 | 21 | 0.012 | 4- | 1.277E 9y |  - | Ca40 | 89.28 | 1.311 |
| 1.277E 9y | | Ar40 | 10.72 | 1.505 | |||||
| K41 | 40.9618 | 22 | 6.73 | 3/2+ | Stable | ||||
| K42 | 41.9624 | 23 | Syn | 2- | 12.360h | - | Ca42 | 3.525 | |
| K43 | 42.9607 | 24 | Syn | 3/2+ | 22.3h | - | Ca43 | 1.815 | |
| K44 | 43.9616 | 25 | Syn | 2- | 22.13m | - | Ca44 | 5.660 | |
| K45 | 44.9607 | 26 | Syn | 3/2+ | 17.3m | - | Ca45 | 4.204 | |
| K46 | 45.962 | 27 | Syn | 2- | 105s | - | Ca46 | 7.716 | |
| K47 | 46.9617 | 28 | Syn | 1/2+ | 17.5s | - | Ca47 | 6.643 | |
| K48 | 47.9655 | 29 | Syn | 2- | 6.8s | - + N | Ca47 | 1.14 | 2.144 |
| 6.8s | - | Ca48 | 12.090 | ||||||
| K49 | 48.9675 | 30 | Syn | 3/2+ | 1.26s | - + N | Ca48 | 86 | 5.820 |
| 1.26s | - | Ca49 | 10.970 | ||||||
| K50 | 49.973 | 31 | Syn | 1-, 2- | 472ms | - + N | Ca49 | 29 | 7.900 |
| 472ms | - | Ca50 | 14.200 | ||||||
| K51 | 50.976 | 32 | Syn | 2+, 3/2+ | 365ms | - + N | Ca50 | 47 | 9.500 |
| 365ms | - | Ca51 | 13.900 | ||||||
| K52 | 51.983 | 33 | Syn | 105ms | - + N | Ca51 | >88 | ||
| 105ms | - | Ca52 | |||||||
| K53 | 52.987 | 34 | Syn | 3/2+ | 30ms | - + N | Ca52 | 85 | |
| 30ms | - | Ca53 | |||||||
| K54 | 53.994 | 35 | Syn | 10ms | - + N | Ca53 | >0 | 14.200 | |
| 10ms | - | Ca54 | 18.000 | ||||||
| K55 | 54.99 | 36 | Syn | ||||||
| Nuclide | Potential Parent Nuclides |
|---|---|
| K32 | None known |
| K33 | None known |
| K34 | None known |
| K35 | Ca35 (Syn) |
| K36 | Ca36 (Syn) |
| K37 | Ca37 (Syn) |
| K38 | Ca38 (Syn) |
| meta state 0.130MeV | None known |
| K39 | Ar39 (Syn) Ca39 (Syn) Sc40 (Syn) |
| K40 | None known |
| K41 | Ar41 (Syn) Ca41 (Syn) |
| K42 | Ar42 (Syn) |
| K43 | Ar43 (Syn) |
| K44 | Ar44 (Syn) |
| K45 | Ar45 (Syn) |
| K46 | Ar46 (Syn) Ar47 (Syn) |
| K47 | Ar47 (Syn) |
| K48 | None known |
| K49 | None known |
| K50 | None known |
| K51 | None known |
| K52 | None known |
| K53 | None known |
| K54 | None known |
| K55 | None known |
Key:
| |
Potassium Menu
- Potassium Page One
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Related Resources
- Anatomy of the Atom
Answers many questions regarding the structure of atoms. - Molarity, Molality and Normality
Introduces stoichiometry and explains the differences between molarity, molality and normality. - Molar Mass Calculations and Javascript Calculator
Molar mass calculations are explained and there is a JavaScript calculator to aid calculations. - Chemical Database
This database focuses on the most common chemical compounds used in the home and industry.
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