|
gptkbp:instance_of
|
gptkb:chemical_compound
|
|
gptkbp:bfsLayer
|
6
|
|
gptkbp:bfsParent
|
gptkb:Periodic_Table_of_Elements
gptkb:Tantalum-Hafnium
|
|
gptkbp:category
|
Transition Metal
|
|
gptkbp:color
|
Silvery metallic
|
|
gptkbp:cooling_system
|
23.4 W/(m· K)
|
|
gptkbp:discovered_by
|
gptkb:Denmark
gptkb:Zirconium
|
|
gptkbp:electronegativity
|
1.3 (Pauling scale)
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Hafnium
|
|
gptkbp:isotopes
|
72
Hafnium-180
Hafnium-176
Hafnium-174
Hafnium-178
Hafnium-182
|
|
gptkbp:mass
|
178.49 u
|
|
gptkbp:melting_point
|
2233 ° C
4603 ° C
|
|
gptkbp:notable_conductors
|
6.7 × 10^6 S/m
|
|
gptkbp:population
|
13.31 g/cm³
|
|
gptkbp:set_in
|
gptkb:Astatine
gptkb:Platinum
gptkb:Tin
gptkb:Xenon
gptkb:Cobalt
gptkb:Bismuth
gptkb:Chromium
gptkb:Fluorine
gptkb:Krypton
gptkb:Polonium
gptkb:Tantalum
gptkb:Copper
gptkb:Neon
gptkb:Lead
gptkb:Palladium
gptkb:Rhodium
gptkb:Ruthenium
gptkb:Tungsten
gptkb:Osmium
gptkb:Radium
gptkb:Iridium
gptkb:toy
gptkb:item
gptkb:Titanium
gptkb:Zirconium
Aluminum
Nitrogen
Oxygen
Manganese
Nickel
Phosphorus
Silicon
Magnesium
Molybdenum
Thallium
Vanadium
Argon
Barium
Boron
Calcium
Strontium
Gallium
Arsenic
Indium
Antimony
Niobium
|
|
gptkbp:social_structure
|
+4
Body-centered cubic
|
|
gptkbp:symbol
|
Hf
|
|
gptkbp:uses
|
Electronics
Alloys
Nuclear reactors
|
|
gptkbp:year_created
|
1923
|