|
gptkbp:instanceOf
|
gptkb:chemical_compound
|
|
gptkbp:allotropes
|
none
|
|
gptkbp:appearance
|
silvery-white
|
|
gptkbp:atomicNumber
|
66
|
|
gptkbp:atomicWeight
|
162.500
|
|
gptkbp:block
|
f-block
|
|
gptkbp:boilingPoint
|
2840 K
|
|
gptkbp:BrinellHardness
|
500 MPa
|
|
gptkbp:CASNumber
|
7429-91-6
|
|
gptkbp:category
|
rare earth element
|
|
gptkbp:crystalSystem
|
hexagonal close-packed
|
|
gptkbp:density
|
8.540 g/cm³
|
|
gptkbp:discoveredBy
|
Paul Émile Lecoq de Boisbaudran
|
|
gptkbp:discoveredIn
|
1886
|
|
gptkbp:electronConfiguration
|
[Xe] 4f10 6s2
|
|
gptkbp:electronegativity
|
1.22 (Pauling scale)
|
|
gptkbp:foundIn
|
gptkb:bastnäsite
gptkb:France
monazite
|
|
gptkbp:hardnessMohs
|
5.1
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Dysprosium
|
|
gptkbp:isotopes
|
gptkb:Dy-158
gptkb:Dy-160
Dy-156
Dy-161
Dy-162
Dy-163
Dy-164
|
|
gptkbp:magneticOrdering
|
paramagnetic
|
|
gptkbp:meltingPoint
|
1680 K
|
|
gptkbp:molarHeatCapacity
|
27.7 J/(mol·K)
|
|
gptkbp:namedAfter
|
Greek word 'dysprositos' (hard to get)
|
|
gptkbp:naturalOccurrence
|
gptkb:stone
|
|
gptkbp:oxidationStates
|
+3
|
|
gptkbp:period
|
6
|
|
gptkbp:phaseAtSTP
|
gptkb:stone
|
|
gptkbp:PoissonsRatio
|
0.29
|
|
gptkbp:radioactive
|
not radioactive
|
|
gptkbp:relatedGroup
|
lanthanide
|
|
gptkbp:standardState
|
gptkb:stone
|
|
gptkbp:symbol
|
Dy
|
|
gptkbp:thermalConductivity
|
10.7 W/(m·K)
|
|
gptkbp:toxicity
|
low toxicity
|
|
gptkbp:type
|
reacts with halogens and acids
|
|
gptkbp:uses
|
nuclear reactors
data storage
permanent magnets
laser materials
|
|
gptkbp:VickersHardness
|
500 MPa
|
|
gptkbp:YoungsModulus
|
61.4 GPa
|
|
gptkbp:bfsParent
|
gptkb:Lanthanide
|
|
gptkbp:bfsLayer
|
6
|