|
gptkbp:instanceOf
|
isotope
|
|
gptkbp:atomicNumber
|
92
|
|
gptkbp:containsElement
|
gptkb:uranium
|
|
gptkbp:criticalMass
|
about 52 kg
|
|
gptkbp:decaysTo
|
gptkb:thorium-231
|
|
gptkbp:discoveredBy
|
gptkb:Arthur_Jeffrey_Dempster
|
|
gptkbp:discoveredIn
|
1935
|
|
gptkbp:energyReleasedPerFission
|
~202.5 MeV
|
|
gptkbp:enrichment
|
used in enriched uranium
|
|
gptkbp:fissile
|
true
|
|
gptkbp:foundIn
|
natural uranium
|
|
gptkbp:halfLife
|
703.8 million years
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Uranium-235
|
|
gptkbp:massNumber
|
235
|
|
gptkbp:mode
|
alpha decay
|
|
gptkbp:naturalAbundance
|
0.72%
|
|
gptkbp:neutrons
|
143
|
|
gptkbp:parent
|
gptkb:thorium-231
uranium-239 (via decay chain)
|
|
gptkbp:protons
|
92
|
|
gptkbp:radioactive
|
true
|
|
gptkbp:spin
|
7/2-
|
|
gptkbp:stateAtRoomTemperature
|
gptkb:stone
|
|
gptkbp:symbol
|
gptkb:235U
|
|
gptkbp:thermalNeutronFissionCrossSection
|
~584 barns
|
|
gptkbp:usedFor
|
gptkb:nuclear_reactor
nuclear power generation
|
|
gptkbp:usedIn
|
gptkb:Little_Boy_atomic_bomb
nuclear weapons
nuclear reactors
|
|
gptkbp:bfsParent
|
gptkb:nuclear_reactor
|
|
gptkbp:bfsLayer
|
5
|