|
gptkbp:instanceOf
|
gptkb:chemical_compound
|
|
gptkbp:appearance
|
silvery white
|
|
gptkbp:atomicNumber
|
58
|
|
gptkbp:atomicRadius
|
185 pm
|
|
gptkbp:block
|
f-block
|
|
gptkbp:boilingPoint
|
3443 °C
|
|
gptkbp:CASNumber
|
7440-45-1
|
|
gptkbp:category
|
rare earth element
|
|
gptkbp:countryOfOrigin
|
gptkb:Brazil
gptkb:China
gptkb:India
gptkb:USA
|
|
gptkbp:crystalSystem
|
face-centered cubic
|
|
gptkbp:density
|
6.770 g/cm³
|
|
gptkbp:discoveredBy
|
gptkb:Wilhelm_Hisinger
gptkb:Jöns_Jacob_Berzelius
gptkb:Martin_Heinrich_Klaproth
|
|
gptkbp:discoveredIn
|
1803
|
|
gptkbp:electronConfiguration
|
[Xe] 4f1 5d1 6s2
|
|
gptkbp:electronegativity
|
1.12
|
|
gptkbp:foundIn
|
gptkb:bastnäsite
monazite
|
|
gptkbp:heatCapacity
|
26.94 J/(mol·K)
|
|
gptkbp:isotopes
|
Ce-136
Ce-138
Ce-140
Ce-142
|
|
gptkbp:IUPACName
|
cerium
|
|
gptkbp:magneticOrdering
|
paramagnetic
|
|
gptkbp:meltingPoint
|
795 °C
|
|
gptkbp:molecularWeight
|
140.116 u
|
|
gptkbp:namedAfter
|
gptkb:Ceres_(dwarf_planet)
|
|
gptkbp:oxidationStates
|
+3
+4
|
|
gptkbp:period
|
6
|
|
gptkbp:relatedGroup
|
lanthanide
|
|
gptkbp:standardState
|
gptkb:stone
|
|
gptkbp:symbol
|
Ce
|
|
gptkbp:thermalConductivity
|
11.3 W/(m·K)
|
|
gptkbp:toxicity
|
low
|
|
gptkbp:uses
|
catalysts
alloys
glass polishing
lighter flints
|
|
gptkbp:英文名
|
gptkb:cérium
cerium
|
|
gptkbp:bfsParent
|
gptkb:UdeM
|
|
gptkbp:bfsLayer
|
5
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
CÉRIUM
|