Tungsten Element Properties

Tungsten

d73
Ta
Tantalum
d74
W
Tungsten
d75
Re
Rhenium
General
Name(Tungsten)
Symbol(W)
Number(74)
Group Number(6)
Group(Transition metals)
Block(d)
Density(19.3 g/cm3)
Atomic Weight(183.85 g/mol)
Atomic Volume(9.53 cm3/mol)
Discover(1783)


States
State(Solid)
Melting Point(3695 K)
Boiling Point(5828 K)
Triple Point(Nil)
Critical Point(13892 K)
Heat of Fusion(52.31 kJ/mol)
Heat of Vaporization(806.7 kJ/mol)


Energies
First Ionization Energy(770 kJ/mole)
Second Ionization Energy(Nil)
Third Ionization Energy(Nil)
Electronegativity(2.36)
Electron Affinity(78.6 kJ/mole)
Specific Heat(0.13 J/gK)
Heat Atomization(849 kJ/mole atoms)


Oxidation and Electrons
Shells(2,8,18,32,12,2)
Electron Configuration([Xe] 4f14 5d4 6s2)
Minimum Oxidation Number(-2)
Maximum Oxidation Number(6)
Minimum Common Oxidation Number(0)
Maximum Common Oxidation Number(6)


Appearance and Characteristics
Crystal Structure(cubic body centered)
Characteristics(highest melting metal)
Color(bluish-gray)
Uses(WC drill bits, bulb wire)
Hardness(Nil)
Toxicity(None)


Reactions
Reaction with Air(none, w/ht =>WO3)
Reaction with 6M HCl(None)
Reaction with 15M HNO3(None)
Reaction with 6M NaOH(None)


Other Forms
Number of Isotopes(5)
Hydride(None)
Oxide(WO2 WO3)
Chloride(WClx [x=2-6])


Radius
Atomic Radius(139 pm)
Ionic Radius (1+ ion)(Nil)
Ionic Radius (1- ion)(Nil)
Ionic Radius (2+ ion)(Nil)
Ionic Radius (2- ion)(Nil)
Ionic Radius (3+ ion)(Nil)


Conductivity
Thermal Conductivity(173 J/m-sec-deg)
Electrical Conductivity(176.991 1/mohm-cm)
Polarizability(11.1 A3)


Abundance
Source(Scheelite,wolframite(oxide))
Relation Abundance Solar System(-0.876 log)
Abundance Earths Crust(0.2 log)


d73
Ta
Tantalum
d74
W
Tungsten
d75
Re
Rhenium

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