Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
isotope
|
| gptkbp:containsElement |
gptkb:helium
|
| gptkbp:discoveredBy |
gptkb:Mark_Oliphant
|
| gptkbp:discoveredIn |
1939
|
| gptkbp:foundIn |
gptkb:Earth's_atmosphere
natural gas lunar regolith |
| https://www.w3.org/2000/01/rdf-schema#label |
He-3
|
| gptkbp:massNumber |
3
3.0160293 u |
| gptkbp:mode |
stable (no decay)
|
| gptkbp:naturalAbundance |
0.000137%
|
| gptkbp:neutrons |
1
|
| gptkbp:nuclearMagneticResonance |
yes
|
| gptkbp:producedBy |
nuclear reactors
tritium decay |
| gptkbp:protons |
2
|
| gptkbp:rareOnEarth |
yes
|
| gptkbp:spin |
1/2
|
| gptkbp:stable |
yes
|
| gptkbp:symbol |
³He
|
| gptkbp:uses |
cryogenics
fusion research medical imaging neutron detection |
| gptkbp:bfsParent |
gptkb:Hélio
|
| gptkbp:bfsLayer |
8
|