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{{Infobox element
|number=74
|symbol=W
|name=tungsten
|alt name=wolfram, pronounced: {{IPAc-en|ˈ|w|ʊ|l|f|r|əm}} ({{respell|WUUL|frəm}})
|abundance=
|abundance in earth's crust=
|abundance in oceans=
|abundance in solar system=
|left=[[tantalum]]
|right=[[rhenium]]
|above=[[molybdenum|Mo]]
|below=[[seaborgium|Sg]]
|group=6
|period=6
|block=d
|image name=Wolfram_evaporated_crystals_and_1cm3_cube.jpg
|appearance=grayish white, lustrous
|electrons per shell=2, 8, 18, 32, 12, 2
|phase=
|density gpcm3nrt=19.3
|density gpcm3mp=17.6
|melting point K=3695
|melting point C=3422
|melting point F=6192
|boiling point K=6203
|boiling point C=5930
|boiling point F=10706
|critical point K=
|critical point MPa=
|heat fusion=52.31
|heat fusion ref=<ref name=CRC90>{{CRC90|page=6-134}}</ref><ref name=Tolias>{{cite journal|author=Tolias P.|title=Analytical expressions for thermophysical properties of solid and liquid tungsten relevant for fusion applications|journal=Nuclear Materials and Energy|volume=13|pages=42–57|doi=10.1016/j.nme.2017.08.002|arxiv=1703.06302|year=2017|bibcode=2017arXiv170306302T}}</ref>
|heat vaporization=774
|heat capacity=24.27
|vapor pressure 1=3477
|vapor pressure 10=3773
|vapor pressure 100=4137
|vapor pressure 1 k=4579
|vapor pressure 10 k=5127
|vapor pressure 100 k=5823
|vapor pressure comment=
|crystal structure=body-centered cubic
|electronegativity=2.36
|number of ionization energies=2
|ionization energy 1=770
|ionization energy 2=1700
|atomic radius=139
|covalent radius=162±7
|magnetic ordering=[[paramagnetic]]
|magnetic ordering ref=<ref>{{cite book |chapter-url=https://web.archive.org/web/20110303222309/http://www-d0.fnal.gov/hardware/cal/lvps_info/engineering/elementmagn.pdf|chapter=Magnetic susceptibility of the elements and inorganic compounds| editor = Lide, D. R. | title = CRC Handbook of Chemistry and Physics | edition = 86th | location = Boca Raton (FL) | publisher = CRC Press | year = 2005 | isbn = 978-0-8493-0486-6 }}
</ref>
|electrical resistivity unit prefix=n
|electrical resistivity at 20=52.8
|thermal conductivity=173
|thermal expansion at 25=4.5
|speed of sound rod at r.t.=4620
|speed of sound rod at r.t. comment=(annealed)
|magnetic susceptibility= +59.0·10−6
|magnetic susceptibility ref= (298 K)<ref>{{Cite book|title=CRC, Handbook of Chemistry and Physics|last=Weast|first=Robert|publisher=Chemical Rubber Company Publishing|year=1984|isbn=978-0-8493-0464-4|location=Boca Raton, Florida|page=E110}}</ref>
|Young's modulus=411
|Shear modulus=161
|Bulk modulus=310
|Poisson ratio=0.28
|Mohs hardness=7.5
|Vickers hardness=3430–4600
|Brinell hardness=2000–4000
|CAS number=7440-33-7
|isotopes=
{{infobox element/isotopes decay | mn=180 | sym=W
|na=0.12% | hl=1.8×1018 y
|dm=[[alpha decay|α]] | de=2.516 | link1=hafnium-176 | pn=176 | ps=Hf}}
{{infobox element/isotopes decay | mn=181 | sym=W
|na=[[synthetic radioisotope|syn]] | hl=121.2 d
|dm=[[electron capture|ε]] | de=0.188 | link1=tantalum-181 | pn=181 | ps=Ta}}
{{infobox element/isotopes stable | mn=182 | sym=W | na=26.50% | n=108 |firstlinks=yes}}
{{infobox element/isotopes stable | mn=183 | sym=W | na=14.31% | n=109 |firstlinks=no}}
{{infobox element/isotopes stable | mn=184 | sym=W | na=30.64% | n=110 |firstlinks=no}}
{{infobox element/isotopes decay | mn=185 | sym=W
|na=syn | hl=75.1 d
|dm=[[beta emission|β−]] | de=0.433 | link1=rhenium-185 | pn=185 | ps=Re}}
{{infobox element/isotopes stable | mn=186 | sym=W | na=28.43% | n=112 |firstlinks=no}}
|isotopes comment=
|named by=[[Torbern Bergman]]
|named date=1781
|discovery and first isolation by=[[Juan José Elhuyar]] and [[Fausto Elhuyar]]<ref>{{cite web |url=https://www.rsc.org/periodic-table/element/74/tungsten |title=Tungsten |website=Royal Society of Chemistry |publisher=[[Royal Society of Chemistry]] |access-date=May 2, 2020}}</ref>
|discovery date=1783
|QID=Q743
}}<noinclude>
{{Infobox element/element navigation|symbol=W}}
{{template reference list}}
{{documentation|1=Template:Infobox element/doc}}
</noinclude>

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