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What is Tungsten?
Tungsten


Periodic Table
0
Symbol
W 0
Group Number
6 12
Period Number
6 2
Block
d block 0
Element Family
Transition Metal 0
CAS Number
7440337 48
Space Group Name
Im_ 3m 0
Space Group Number
229.00 1
Facts
0
Interesting Facts
  • Tungsten element has the second highest melting point.
  • Pure tungsten can easily cut down with the help of hacksaw.
0
Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals 0
History
0
Who Discovered
Not Available 0
Discovery
In 1781 0
Abundance
0
Abundance In Universe
5 * 10-8 % 27
Abundance In Sun
~0.0000004 % 23
Abundance In Meteorites
0.00 % 39
Abundance In Earth's Crust
0.00 % 39
Abundance In Oceans
0.00 % 18
Abundance In Humans
Not Available 0
Uses
0
Uses & Benefits
  • Tungsten and its alloys are used in high-temperature applications like welding electrodes, high-temperature furnace, etc.
  • Tungsten carbide is very hard and used in metal working, mining and petroleum industry.
0
Industrial Uses
Aerospace Industry, Automobile Industry, Electrical Industry, Electronic Industry 0
Medical Uses
NA 0
Other Uses
Alloys 0
Biological Properties
0
Toxicity
Non Toxic 0
Present in Human Body
Yes 0
In Blood
0.00 Blood/mg dm-3 31
In Bone
0.00 p.p.m. 35
Physical
0
Melting Point
3,410.00 °C 1
Boiling Point
5,660.00 °C 1
Appearance
0
Physical State
Solid 0
Color
Grayish White 0
Luster
Lustrous 0
Hardness
0
Mohs Hardness
7.50 2
Brinell Hardness
2,000.00 MPa 4
Vickers Hardness
3,430.00 MPa 1
Speed of Sound
4,620.00 m/s 16
Optical Properties
0
Refractive Index
Not Available 0
Reflectivity
62.00 % 13
Allotropes
No 0
α Allotropes
Not Available 0
β Allotropes
Not Available 0
γ Allotropes
Not Available 0
Chemical
0
Chemical Formula
W 0
Isotopes
0
Known Isotopes
33 6
Electronegativity
0
Pauling Electronegativity
2.36 2
Sanderson Electronegativity
0.98 23
Allred Rochow Electronegativity
1.40 19
Mulliken-Jaffe Electronegativity
Not Available 0
Allen Electronegativity
1.47 29
Electropositivity
0
Pauling Electropositivity
1.64 52
Ionization Energies
0
1st Energy Level
770.00 kJ/mol 16
2nd Energy Level
1,700.00 kJ/mol 29
3rd Energy Level
Not Available 0
4th Energy Level
Not Available 0
5th Energy Level
Not Available 0
6th Energy Level
Not Available 0
7th Energy level
Not Available 0
8th Energy Level
Not Available 0
9th Energy Level
Not Available 0
10th Energy Level
Not Available 0
11th Energy Level
Not Available 0
12th Energy Level
Not Available 0
13th Energy Level
Not Available 0
14th Energy Level
Not Available 0
15th Energy Level
Not Available 0
16th Energy Level
Not Available 0
17th Energy Level
Not Available 0
18th Energy Level
Not Available 0
19th Energy Level
Not Available 0
20th Energy Level
Not Available 0
21st Energy Level
Not Available 0
22nd Energy Level
Not Available 0
23rd Energy Level
Not Available 0
24th Energy Level
Not Available 0
25th Energy Level
Not Available 0
26th Energy Level
Not Available 0
27th Energy Level
Not Available 0
28th Energy Level
Not Available 0
29th Energy Level
Not Available 0
30th Energy Level
Not Available 0
Electrochemical Equivalent
1.14 g/amp-hr 54
Electron Work Function
4.55 eV 13
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility 0
Atomic
0
Atomic Number
74 42
Electron Configuration
[Xe] 4f14 5d4 6s2 0
Crystal Structure
Body Centered Cubic (BCC) 0
Crystal Lattice
BCC-Crystal-Structure-.jpg#100 0
Atom
0
Number of Protons
74 41
Number of Neutrons
110 27
Number of Electrons
74 41
Radius of an Atom
0
Atomic Radius
139.00 pm 39
Covalent Radius
162.00 pm 29
Van der Waals Radius
200.00 pm 28
Atomic Weight
183.84 amu 37
Atomic Volume
9.53 cm3/mol 50
Adjacent Atomic Numbers
0
Previous Element
57 0
Next Element
64 0
Valence Electron Potential
140.00 (-eV) 5
Lattice Constant
316.52 pm 56
Lattice Angles
π/2, π/2, π/2 0
Lattice C/A Ratio
Not Available 0
Mechanical
0
Density
0
Density At Room Temperature
19.25 g/cm3 16
Density When Liquid (at m.p.)
17.60 g/cm3 5
Tensile Strength
370.00 MPa 10
Viscosity
Not Available 0
Vapor Pressure
0
Vapor Pressure at 1000 K
Not Available 0
Vapor Pressure at 2000 K
0.00 (Pa) 32
Elasticity properties
0
Shear Modulus
161.00 GPa 5
Bulk Modulus
310.00 GPa 4
Young's Modulus
411.00 GPa 4
Poisson Ratio
0.28 17
Other Mechanical Properties
Ductile, Malleable 0
Magnetic
0
Magnetic Characteristics
0
Specific Gravity
19.22 9
Magnetic Ordering
Paramagnetic 0
Permeability
Not Available 0
Susceptibility
Not Available 0
Electrical Properties
0
Electrical Property
Superconductor 0
Resistivity
52.80 nΩ·m 42
Electrical Conductivity
0.19 106/cm Ω 10
Electron Affinity
78.60 kJ/mol 13
Thermal
0
Specific Heat
0.13 J/(kg K) 39
Molar Heat Capacity
24.27 J/mol·K 52
Thermal Conductivity
173.00 W/m·K 7
Critical Temperature
Not Available 0
Thermal Expansion
4.50 µm/(m·K) 59
Enthalpy
0
Enthalpy of Vaporization
799.10 kJ/mol 1
Enthalpy of Fusion
35.23 kJ/mol 1
Enthalpy of Atomization
837.00 kJ/mol 1
Standard Molar Entropy
32.60 J/mol.K 47
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