|
gptkbp:instanceOf
|
gptkb:chemical_compound
|
|
gptkbp:appearance
|
silvery gray metal
|
|
gptkbp:atomicNumber
|
92
|
|
gptkbp:boilingPoint
|
4131°C
|
|
gptkbp:CASNumber
|
7440-61-1
|
|
gptkbp:category
|
actinide
|
|
gptkbp:chemicalFormula
|
U
|
|
gptkbp:crystalSystem
|
orthorhombic
|
|
gptkbp:density
|
19.1 g/cm³
|
|
gptkbp:discoveredBy
|
gptkb:Martin_Heinrich_Klaproth
|
|
gptkbp:discoveredIn
|
1789
|
|
gptkbp:ductile
|
true
|
|
gptkbp:electricalResistivity
|
0.28 μΩ·m (at 20°C)
|
|
gptkbp:electronegativity
|
1.38 (Pauling scale)
|
|
gptkbp:foundIn
|
uranium ores
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Metallic uranium
|
|
gptkbp:mainIsotopes
|
gptkb:U-234
gptkb:U-235
gptkb:U-238
|
|
gptkbp:malleable
|
true
|
|
gptkbp:meltingPoint
|
1132°C
|
|
gptkbp:oxidationStates
|
+3
+5
+6
+4
|
|
gptkbp:oxidizesInAir
|
true
|
|
gptkbp:paramagnetic
|
true
|
|
gptkbp:produces
|
uranium dioxide (UO2) when oxidized
uranium trioxide (UO3) when oxidized
uranium tetrafluoride (UF4) when reacted with fluorine
|
|
gptkbp:radioactive
|
true
|
|
gptkbp:symbol
|
named after planet Uranus
|
|
gptkbp:thermalConductivity
|
27.5 W/(m·K)
|
|
gptkbp:toxicity
|
true
|
|
gptkbp:type
|
gptkb:water
gptkb:halogens
oxygen
acids
|
|
gptkbp:usedIn
|
gptkb:nuclear_reactor
nuclear weapons
radiation shielding
uranium glass
armor-piercing ammunition
counterweights
control rods in nuclear reactors
X-ray targets
ballast in aircraft
depleted uranium applications
|
|
gptkbp:bfsParent
|
gptkb:Sodium-cooled_Fast_Reactor
|
|
gptkbp:bfsLayer
|
7
|