Statements (15)
Predicate | Object |
---|---|
gptkbp:instanceOf |
nuclear isomer
|
gptkbp:canBe |
nuclear clock
|
gptkbp:containsElement |
thorium
|
gptkbp:decaysTo |
thorium-229 ground state
|
gptkbp:discoveredBy |
1976
|
gptkbp:excitationEnergy |
~8.28 eV
|
gptkbp:halfLife |
minutes to hours (uncertain, depends on decay mode)
|
https://www.w3.org/2000/01/rdf-schema#label |
229mTh
|
gptkbp:isomerOf |
gptkb:thorium-229
|
gptkbp:massNumber |
229
|
gptkbp:mode |
gamma emission
|
gptkbp:notableFor |
lowest known nuclear excitation energy
|
gptkbp:symbol |
gptkb:229mTh
|
gptkbp:bfsParent |
gptkb:thorium-229m
|
gptkbp:bfsLayer |
7
|