Statements (14)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
nuclear isomer
|
| gptkbp:canBe |
nuclear clock
|
| gptkbp:containsElement |
thorium
|
| gptkbp:decaysTo |
gptkb:thorium-229
|
| gptkbp:excitationEnergy |
~8.28 eV
|
| gptkbp:halfLife |
about 7 hours
|
| https://www.w3.org/2000/01/rdf-schema#label |
thorium-229m
|
| gptkbp:isomerOf |
gptkb:thorium-229
|
| gptkbp:massNumber |
229
|
| gptkbp:metastableState |
yes
|
| gptkbp:notableFor |
lowest known nuclear excitation energy
|
| gptkbp:symbol |
gptkb:229mTh
|
| gptkbp:bfsParent |
gptkb:thorium-229
|
| gptkbp:bfsLayer |
6
|