Statements (21)
Predicate | Object |
---|---|
gptkbp:instanceOf |
isotope
|
gptkbp:atomicNumber |
18
|
gptkbp:containsElement |
gptkb:argon
|
gptkbp:decaysTo |
39K
|
gptkbp:discoveredBy |
gptkb:W._Seelmann-Eggebert
|
gptkbp:discoveredIn |
1950
|
gptkbp:halfLife |
269 years
|
https://www.w3.org/2000/01/rdf-schema#label |
39Ar
|
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
|