|
gptkbp:instanceOf
|
gptkb:chemical_compound
|
|
gptkbp:appearance
|
silvery-white
|
|
gptkbp:atomicNumber
|
62
|
|
gptkbp:atomicWeight
|
150.36
|
|
gptkbp:block
|
f-block
|
|
gptkbp:boilingPoint
|
1794°C
|
|
gptkbp:CASNumber
|
7440-19-9
|
|
gptkbp:category
|
gptkb:metal
gptkb:lanthanide_series
rare earth element
|
|
gptkbp:countryOfOrigin
|
gptkb:China
gptkb:Russia
gptkb:USA
|
|
gptkbp:crystalSystem
|
rhombohedral
|
|
gptkbp:density
|
7.52 g/cm³
|
|
gptkbp:discoveredBy
|
gptkb:Lecoq_de_Boisbaudran
|
|
gptkbp:discoveredIn
|
1879
|
|
gptkbp:electronConfiguration
|
[Xe] 4f6 6s2
|
|
gptkbp:electronegativity
|
1.17
|
|
gptkbp:foundIn
|
gptkb:bastnäsite
monazite
|
|
gptkbp:isotopes
|
gptkb:Samarium-144
gptkb:Samarium-147
gptkb:Samarium-148
gptkb:Samarium-149
gptkb:Samarium-150
gptkb:Samarium-152
gptkb:Samarium-154
|
|
gptkbp:magneticOrdering
|
paramagnetic
|
|
gptkbp:meltingPoint
|
1072°C
|
|
gptkbp:molarHeatCapacity
|
29.54 J/(mol·K)
|
|
gptkbp:namedAfter
|
gptkb:Samarskite
|
|
gptkbp:oxidationStates
|
+2
+3
|
|
gptkbp:period
|
6
|
|
gptkbp:phaseAtSTP
|
gptkb:stone
|
|
gptkbp:radioactive
|
gptkb:Samarium-151
gptkb:Samarium-153
|
|
gptkbp:relatedGroup
|
lanthanide
|
|
gptkbp:symbol
|
gptkb:Sm
|
|
gptkbp:thermalConductivity
|
13.3 W/(m·K)
|
|
gptkbp:uses
|
electronics
nuclear reactors
catalysts
permanent magnets
|
|
gptkbp:bfsParent
|
gptkb:Barium_star
gptkb:Sm2
|
|
gptkbp:bfsLayer
|
6
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Samarium
|