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Tungsten
SEE PERIODIC TABLE
SEE FULL ARTICLE
Atomic Number
74
Atomic
Symbol
W
Atomic Weight
183.84 amu
Group
Transition, 6
Form
Solid
Density
@
STP
19.3 g/cm
3
Melting Point
3422 °C (6191.6 °F, 3695.15 °K)
Boiling Point
5555 °C (10031 °F, 5828.15 °K)
Heat of Fusion
52.31 kJ/mol
Heat of Vaporization
800 kJ/mol
First
Ionization Potential
7.98 eV
Electronegativity
(on
Pauling scale
1.7
Specific Heat
Capacity
0.132 J/g K
Ground State
Electron Configuration
5d
4
6s
2
Oxidation State(s)
+6
Stable Isotopes
and
Natural Abundance
on Earth
180
W, 0.13%;
182
W, 26.3%;
183
W, 14.3%;
184
W, 30.67%;
186
W, 28.6%
Selected
Radioisotopes
188
W
Atomic Radius
193 pm
Crystal Structure
Cubic
Discovered by
Fausto and Juan Jose de Elhuyer, 1783
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