Tungsten

Symbol WAtomic number 74
Atomic mass
183.85
Thermal conductivity
1.74
Atomic radius
2.02
Covalent radius
1.30
Density
19.3
Atomic volume
9.53
Melting point
3680
Oxidation states
6,5,4,3,2
Boiling point
5933
Stable isotopes
5
Heat of vapor.
824
Electronegativity
2.36
Heat of fusion
35.4
First ionization
7.98
Specific heat
...
Electrical conduct.
18
Electron configuration

General descriptionNuclear data
Index

Periodic Table

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Tungsten

Tungsten is a strong, heavy metal with an extremely high melting point (3370°C). It is used for the filaments of light bulbs, the electric contacts in spark plugs, and as electron targets in x-ray tubes.

Alloyed with steel (tungsten steel) it retains its hardness even when hot, making it valuable for high speed cutting tools. Tungsten carbide (WC) is used for the cutting edges of high speed tools.

Tungsten is also called wolfram, the origin of the chemical symbol (W).

Tungsten-containing oxide minerals are ferberite, scheelite and Hubnerite. An oxide of tungsten with lead is stolzite. An oxide of tungsten with iron and manganese is Wolframite.

Atomic dataNuclear data
Index

Periodic Table

Chemistry concepts

Reference
Pauling
 
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Tungsten Nuclear Data

Z
A
Atomic
Mass (u)
Nuclear
Mass(GeV/c2
Binding
Energy(MeV)
Spin
Natural
Abund.
Half-life
Decay
Q
MeV
74
180
179.946701
167.5828
1444.6
0
0.0012
stable
...
...
74
182
181.948202
169.4472
1459.4
0
0.263
stable
...
...
74
183
182.950220
170.3806
1465.6
1/2
0.143
stable
...
...
74
184
183.950929
171.3128
1473.0
0
0.3067
stable
...
...
74
186
185.954356
173.1790
1485.9
0
0.286
stable
...
...
Atomic data
Index

Periodic Table

Chemistry concepts

Reference
Rohlf
 
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