|
gptkbp:instanceOf
|
isotope
|
|
gptkbp:atomicNumber
|
94
|
|
gptkbp:category
|
actinide
|
|
gptkbp:color
|
silvery-white
|
|
gptkbp:containsElement
|
Plutonium
|
|
gptkbp:decaysTo
|
Uranium-234
|
|
gptkbp:discoveredBy
|
gptkb:Glenn_T._Seaborg
|
|
gptkbp:discoveredIn
|
1940
|
|
gptkbp:halfLife
|
87.7 years
|
|
gptkbp:heatProductionPerGram
|
0.57 watts
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Plutonium-238
|
|
gptkbp:massNumber
|
238
|
|
gptkbp:mode
|
alpha decay
|
|
gptkbp:neutrons
|
144
|
|
gptkbp:notFoundInNature
|
true
|
|
gptkbp:nuclearSpin
|
0
|
|
gptkbp:primaryUse
|
power source for deep space missions
|
|
gptkbp:producedArtificially
|
true
|
|
gptkbp:producedBy
|
neutron irradiation of Neptunium-237
|
|
gptkbp:protons
|
94
|
|
gptkbp:radioactive
|
true
|
|
gptkbp:stateAtRoomTemperature
|
gptkb:stone
|
|
gptkbp:symbol
|
gptkb:Pu-238
|
|
gptkbp:usedIn
|
radioisotope thermoelectric generators
spacecraft power sources
|
|
gptkbp:bfsParent
|
gptkb:Neptunium-238
gptkb:MMRTG_(Multi-Mission_Radioisotope_Thermoelectric_Generator)
gptkb:General_Purpose_Heat_Source_(GPHS)
gptkb:Radiological_Dispersal_Device
|
|
gptkbp:bfsLayer
|
7
|