Statements (21)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:isotope
|
| gptkbp:atomicNumber |
18
|
| gptkbp:containsElement |
gptkb:argon
|
| gptkbp:decaysTo |
39K
|
| gptkbp:discoveredBy |
gptkb:W._Seelmann-Eggebert
|
| gptkbp:discoveredIn |
1950
|
| gptkbp:halfLife |
269 years
|
| gptkbp:massNumber |
39
|
| gptkbp:mode |
gptkb:beta_decay
|
| gptkbp:naturalAbundance |
trace
|
| gptkbp:neutrons |
21
|
| gptkbp:protons |
18
|
| gptkbp:radioactive |
true
|
| gptkbp:spin |
7/2-
|
| gptkbp:symbol |
gptkb:39Ar
|
| gptkbp:usedFor |
radiometric dating
atmospheric studies groundwater age dating |
| gptkbp:bfsParent |
gptkb:argon
|
| gptkbp:bfsLayer |
5
|
| https://www.w3.org/2000/01/rdf-schema#label |
39Ar
|