|
gptkbp:instanceOf
|
gptkb:chemical_compound
|
|
gptkbp:appearance
|
shiny
gray blue
|
|
gptkbp:atomicNumber
|
73
|
|
gptkbp:atomicWeight
|
180.94788
|
|
gptkbp:block
|
d-block
|
|
gptkbp:boilingPoint
|
5458°C
|
|
gptkbp:CASNumber
|
7440-25-7
|
|
gptkbp:category
|
metal
transition metal
|
|
gptkbp:corrosionResistance
|
high
|
|
gptkbp:countryOfOrigin
|
gptkb:Australia
gptkb:Brazil
gptkb:China
gptkb:Democratic_Republic_of_the_Congo
gptkb:Rwanda
|
|
gptkbp:crystalSystem
|
body-centered cubic
|
|
gptkbp:density
|
16.69 g/cm³
|
|
gptkbp:discoveredBy
|
gptkb:Anders_Gustaf_Ekeberg
|
|
gptkbp:discoveredIn
|
1802
|
|
gptkbp:electricalConductivity
|
7.87×10^6 S/m
|
|
gptkbp:electronConfiguration
|
[Xe] 4f14 5d3 6s2
|
|
gptkbp:electronegativity
|
1.5
|
|
gptkbp:foundIn
|
gptkb:coltan
gptkb:microlite
tantalite
|
|
gptkbp:hardnessMohs
|
6.5
|
|
gptkbp:heatOfFusion
|
36.57 kJ/mol
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Tantalum
|
|
gptkbp:isotopes
|
gptkb:Ta-180m
gptkb:Ta-181
|
|
gptkbp:magneticOrdering
|
paramagnetic
|
|
gptkbp:mainIsotope
|
gptkb:Ta-181
|
|
gptkbp:meltingPoint
|
3017°C
|
|
gptkbp:namedAfter
|
gptkb:Tantalus
|
|
gptkbp:oxidationStates
|
+5
|
|
gptkbp:period
|
6
|
|
gptkbp:phaseAtSTP
|
gptkb:stone
|
|
gptkbp:PubChem_CID
|
23956
|
|
gptkbp:radioactive
|
gptkb:standard
|
|
gptkbp:relatedGroup
|
5
|
|
gptkbp:symbol
|
Ta
|
|
gptkbp:thermalConductivity
|
57.5 W/(m·K)
|
|
gptkbp:thermalExpansion
|
6.3 µm/(m·K)
|
|
gptkbp:UNII
|
U2ZG9K517N
|
|
gptkbp:uses
|
capacitors
surgical instruments
alloys
chemical equipment
|
|
gptkbp:vaporPressure
|
753 kJ/mol
|
|
gptkbp:bfsParent
|
gptkb:Rosemount_3051_Pressure_Transmitter
|
|
gptkbp:bfsLayer
|
6
|