Statements (32)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
isotope
|
| gptkbp:abundanceInHelium |
99.99986%
|
| gptkbp:atomicNumber |
2
|
| gptkbp:bindingEnergyPerNucleon |
7.073 MeV
|
| gptkbp:boilingPoint |
4.22 K
|
| gptkbp:boson |
true
|
| gptkbp:containsElement |
gptkb:Helium
|
| gptkbp:discoveredBy |
gptkb:Ernest_Rutherford
|
| gptkbp:discoveredIn |
1907
|
| gptkbp:form |
alpha particle
|
| https://www.w3.org/2000/01/rdf-schema#label |
Helium-4
|
| gptkbp:massNumber |
4
|
| gptkbp:meltingPoint |
0.95 K (at 2.5 MPa)
|
| gptkbp:naturalOccurrence |
cosmic rays
radioactive decay primordial |
| gptkbp:neutrons |
2
|
| gptkbp:nucleons |
4
|
| gptkbp:phaseAtSTP |
gptkb:gasoline
|
| gptkbp:producedBy |
gptkb:Big_Bang_nucleosynthesis
stellar nucleosynthesis |
| gptkbp:protons |
2
|
| gptkbp:spin |
0
|
| gptkbp:stable |
true
|
| gptkbp:superfluidTransitionTemperature |
2.17 K
|
| gptkbp:symbol |
gptkb:4He
|
| gptkbp:usedIn |
cryogenics
nuclear fusion superfluidity studies |
| gptkbp:bfsParent |
gptkb:Supersolid
gptkb:Helium |
| gptkbp:bfsLayer |
6
|