Berzelius W

URI: https://gptkb.org/entity/Berzelius_W
GPTKB entity
Statements (50)
Predicate Object
gptkbp:instanceOf gptkb:chemical_compound
gptkbp:alsoKnownAs tungsten
gptkbp:appearance grayish-white, lustrous
gptkbp:atomicNumber 74
gptkbp:atomicWeight 183.84
gptkbp:block d-block
gptkbp:boilingPoint 5555°C
gptkbp:CASNumber 7440-33-7
gptkbp:category transition metal
gptkbp:crystalSystem body-centered cubic
gptkbp:density 19.25 g/cm³
gptkbp:discoveredBy gptkb:Juan_José_Elhuyar
gptkb:Fausto_Elhuyar
gptkbp:discoveredIn 1783
gptkbp:electronConfiguration [Xe] 4f14 5d4 6s2
gptkbp:electronegativity 2.36 (Pauling scale)
gptkbp:hardnessMohs 7.5
https://www.w3.org/2000/01/rdf-schema#label Berzelius W
gptkbp:isotopes 180W
182W
183W
184W
186W
gptkbp:majorCity gptkb:Austria
gptkb:Bolivia
gptkb:China
gptkb:Portugal
gptkb:Russia
gptkbp:meltingPoint 3422°C
gptkbp:namedAfter Wolframite (mineral)
gptkbp:originOfSymbol Wolfram
gptkbp:oxidationStates +2
+3
0
+5
+6
+4
-2
gptkbp:period 6
gptkbp:relatedGroup 6
gptkbp:source scheelite
wolframite
gptkbp:symbol W
gptkbp:uses X-ray tubes
cutting tools
electrical contacts
superalloys
light bulb filaments
gptkbp:bfsParent gptkb:Berzelius_(crater)
gptkbp:bfsLayer 8