Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:isotope_atom
|
| gptkbp:atomicNumber |
2
|
| gptkbp:discoveredBy |
gptkb:Ernest_Rutherford
|
| gptkbp:discoveredIn |
1907
|
| gptkbp:form |
alpha particle
|
| gptkbp:hasIsotopeOf |
gptkb:Helium
|
| gptkbp:isBoson |
true
|
| gptkbp:massNumber |
4
4.00260325413 u |
| gptkbp:naturalAbundance |
99.99986%
|
| gptkbp:neutrons |
2
|
| gptkbp:nuclearBindingEnergyPerNucleon |
7.073 MeV
|
| gptkbp:numberOfElectrons |
2
|
| gptkbp:protons |
2
|
| gptkbp:spin |
0
|
| gptkbp:stable |
true
|
| gptkbp:symbol |
gptkb:He-4
|
| gptkbp:usedIn |
cryogenics
nuclear fusion superfluidity research |
| gptkbp:bfsParent |
gptkb:Boson
|
| gptkbp:bfsLayer |
7
|
| https://www.w3.org/2000/01/rdf-schema#label |
Helium-4 atom
|