Template:Infobox tungsten

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Tungsten,  74W
Wolfram evaporated crystals and 1cm3 cube.jpg
General properties
Name, symbol tungsten, W
Pronunciation /ˈtʌŋstən/; /ˈwʊlfrəm/
TUNG-stən; WUUL-frəm
Appearance grayish white, lustrous
Tungsten in the periodic table
Hydrogen (diatomic nonmetal)
Helium (noble gas)
Lithium (alkali metal)
Beryllium (alkaline earth metal)
Boron (metalloid)
Carbon (polyatomic nonmetal)
Nitrogen (diatomic nonmetal)
Oxygen (diatomic nonmetal)
Fluorine (diatomic nonmetal)
Neon (noble gas)
Sodium (alkali metal)
Magnesium (alkaline earth metal)
Aluminium (post-transition metal)
Silicon (metalloid)
Phosphorus (polyatomic nonmetal)
Sulfur (polyatomic nonmetal)
Chlorine (diatomic nonmetal)
Argon (noble gas)
Potassium (alkali metal)
Calcium (alkaline earth metal)
Scandium (transition metal)
Titanium (transition metal)
Vanadium (transition metal)
Chromium (transition metal)
Manganese (transition metal)
Iron (transition metal)
Cobalt (transition metal)
Nickel (transition metal)
Copper (transition metal)
Zinc (transition metal)
Gallium (post-transition metal)
Germanium (metalloid)
Arsenic (metalloid)
Selenium (polyatomic nonmetal)
Bromine (diatomic nonmetal)
Krypton (noble gas)
Rubidium (alkali metal)
Strontium (alkaline earth metal)
Yttrium (transition metal)
Zirconium (transition metal)
Niobium (transition metal)
Molybdenum (transition metal)
Technetium (transition metal)
Ruthenium (transition metal)
Rhodium (transition metal)
Palladium (transition metal)
Silver (transition metal)
Cadmium (transition metal)
Indium (post-transition metal)
Tin (post-transition metal)
Antimony (metalloid)
Tellurium (metalloid)
Iodine (diatomic nonmetal)
Xenon (noble gas)
Caesium (alkali metal)
Barium (alkaline earth metal)
Lanthanum (lanthanide)
Cerium (lanthanide)
Praseodymium (lanthanide)
Neodymium (lanthanide)
Promethium (lanthanide)
Samarium (lanthanide)
Europium (lanthanide)
Gadolinium (lanthanide)
Terbium (lanthanide)
Dysprosium (lanthanide)
Holmium (lanthanide)
Erbium (lanthanide)
Thulium (lanthanide)
Ytterbium (lanthanide)
Lutetium (lanthanide)
Hafnium (transition metal)
Tantalum (transition metal)
Tungsten (transition metal)
Rhenium (transition metal)
Osmium (transition metal)
Iridium (transition metal)
Platinum (transition metal)
Gold (transition metal)
Mercury (transition metal)
Thallium (post-transition metal)
Lead (post-transition metal)
Bismuth (post-transition metal)
Polonium (post-transition metal)
Astatine (metalloid)
Radon (noble gas)
Francium (alkali metal)
Radium (alkaline earth metal)
Actinium (actinide)
Thorium (actinide)
Protactinium (actinide)
Uranium (actinide)
Neptunium (actinide)
Plutonium (actinide)
Americium (actinide)
Curium (actinide)
Berkelium (actinide)
Californium (actinide)
Einsteinium (actinide)
Fermium (actinide)
Mendelevium (actinide)
Nobelium (actinide)
Lawrencium (actinide)
Rutherfordium (transition metal)
Dubnium (transition metal)
Seaborgium (transition metal)
Bohrium (transition metal)
Hassium (transition metal)
Meitnerium (unknown chemical properties)
Darmstadtium (unknown chemical properties)
Roentgenium (unknown chemical properties)
Copernicium (transition metal)
Ununtrium (unknown chemical properties)
Flerovium (post-transition metal)
Ununpentium (unknown chemical properties)
Livermorium (unknown chemical properties)
Ununseptium (unknown chemical properties)
Ununoctium (unknown chemical properties)
Mo

W

Sg
tantalumtungstenrhenium
Atomic number 74
Standard atomic weight 183.84(1)
Element category transition metal
Group, block group 6, d-block
Period period 6
Electron configuration [Xe] 4f14 5d4 6s2[1]
per shell 2, 8, 18, 32, 12, 2
Physical properties
Phase solid
Melting point 3695 K ​(3422 °C, ​6192 °F)
Boiling point 6203 K ​(5930 °C, ​10706 °F)
Density near r.t. 19.25 g·cm−3
liquid, at m.p. 17.6 g·cm−3
Critical point 13892 K,  MPa
Heat of fusion 35.3 kJ·mol−1
Heat of vaporization 774 kJ·mol−1
Molar heat capacity 24.27 J·mol−1·K−1
vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 3477 3773 4137 4579 5127 5823
Atomic properties
Oxidation states 6, 5, 4, 3, 2, 1, 0, −1, −2 ​(a mildly acidic oxide)
Electronegativity Pauling scale: 2.36
Ionization energies 1st: 770 kJ·mol−1
2nd: 1700 kJ·mol−1
Atomic radius empirical: 139 pm
Covalent radius 162±7 pm
Miscellanea
Crystal structure body-centered cubic (bcc)
Body-centered cubic crystal structure for tungsten
Speed of sound thin rod, at r.t. 4620 m·s−1 (annealed)
Thermal expansion 4.5 µm·m−1·K−1 (at 25 °C)
Thermal conductivity 173 W·m−1·K−1
Electrical resistivity at 20 °C: 52.8 nΩ·m
Magnetic ordering paramagnetic[2]
Young's modulus 411 GPa
Shear modulus 161 GPa
Bulk modulus 310 GPa
Poisson ratio 0.28
Mohs hardness 7.5
Vickers hardness 3430 MPa
Brinell hardness 2570 MPa
CAS number 7440-33-7
History
Naming from German wolfram
Discovery Carl Wilhelm Scheele (1781)
First isolation Juan José Elhuyar and Fausto Elhuyar (1783)
Most stable isotopes
Main article: Isotopes of tungsten
iso NA half-life DM DE (MeV) DP
180W 0.12% 1.8×1018 y α 2.516 176Hf
181W syn 121.2 d ε 0.188 181Ta
182W 26.50% >1.7×1020 y (α) 1.772 178Hf
183W 14.31% >8×1019 y (α) 1.680 179Hf
184W 30.64% >1.8×1020 y (α) 1.123 180Hf
185W syn 75.1 d β 0.433 185Re
186W 28.43% >4.1×1018 y (α) 1.656 182Hf
(ββ) 186Os
Decay modes in parentheses are predicted, but have not yet been observed
· references

References

These references will appear in the article, but this list appears only on this page.
  1. ^ "Why does Tungsten not 'Kick' up an electron from the s sublevel ?". Retrieved 2008-06-15. 
  2. ^ Magnetic susceptibility of the elements and inorganic compounds, in Handbook of Chemistry and Physics 81st edition, CRC press.
Documentation icon Template documentation[view] [edit] [history] [purge]

Infoboxes for the chemical elements use the core template {{Infobox element}}.

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ionization energy
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{{Periodic table (32 columns, micro)}}
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References

These references will appear in the article, but this list appears only on this page.
  1. ^ Endt, P. M. (1990). "Energy levels of A = 21–44 nuclei (VII)". Nuclear Physics A 521: 1–400. Bibcode:1990NuPhA.521....1E. doi:10.1016/0375-9474(90)90598-G. 
  2. ^ Chisté 2006.

See also[edit]

Index to chemical element infoboxes
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
1 1H
ibox E
2He
ibox E
2 3Li
ibox E
4Be
ibox E
5B
ibox E
6C
ibox E
7N
ibox E
8O
ibox E
9F
ibox E
10Ne
ibox E
3 11Na
ibox E
12Mg
ibox E
13Al
ibox E
14Si
ibox E
15P
ibox E
16S
ibox E
17Cl
ibox E
18Ar
ibox E
4 19K
ibox E
20Ca
ibox E
21Sc
ibox E
22Ti
ibox E
23V
ibox E
24Cr
ibox E
25Mn
ibox E
26Fe
ibox E
27Co
ibox E
28Ni
ibox E
29Cu
ibox E
30Zn
ibox E
31Ga
ibox E
32Ge
ibox E
33As
ibox E
34Se
ibox E
35Br
ibox E
36Kr
ibox E
5 37Rb
ibox E
38Sr
ibox E
39Y
ibox E
40Zr
ibox E
41Nb
ibox E
42Mo
ibox E
43Tc
ibox E
44Ru
ibox E
45Rh
ibox E
46Pd
ibox E
47Ag
ibox E
48Cd
ibox E
49In
ibox E
50Sn
ibox E
51Sb
ibox E
52Te
ibox E
53 I 
ibox E
54Xe
ibox E
6 55Cs
ibox E
56Ba
ibox E
1 asterisk 72Hf
ibox E
73Ta
ibox E
74W
ibox E
75Re
ibox E
76Os
ibox E
77Ir
ibox E
78Pt
ibox E
79Au
ibox E
80Hg
ibox E
81Tl
ibox E
82Pb
ibox E
83Bi
ibox E
84Po
ibox E
85At
ibox E
86Rn
ibox E
7 87Fr
ibox E
88Ra
ibox E
1 asterisk 104Rf
ibox E
105Db
ibox E
106Sg
ibox E
107Bh
ibox E
108Hs
ibox E
109Mt
ibox E
110Ds
ibox E
111Rg
ibox E
112Cn
ibox E
113Uut
ibox E
114Fl
ibox E
115Uup
ibox E
116Lv
ibox E
117Uus
ibox E
118Uuo
ibox E
8 119Uue
ibox E
120Ubn
ibox E
1 asterisk 57La
ibox E
58Ce
ibox E
59Pr
ibox E
60Nd
ibox E
61Pm
ibox E
62Sm
ibox E
63Eu
ibox E
64Gd
ibox E
65Tb
ibox E
66Dy
ibox E
67Ho
ibox E
68Er
ibox E
69Tm
ibox E
70Yb
ibox E
71Lu
ibox E
 
1 asterisk 89Ac
ibox E
90Th
ibox E
91Pa
ibox E
92U
ibox E
93Np
ibox E
94Pu
ibox E
95Am
ibox E
96Cm
ibox E
97Bk
ibox E
98Cf
ibox E
99Es
ibox E
100Fm
ibox E
101Md
ibox E
102No
ibox E
103Lr
ibox E
 
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