W Element

Tungsten

Periodic Table

Symbol

Group Number

6 12

Period Number

6 2

Block

d block

Element Family

Transition Metal

CAS Number

7440337 48

Space Group Name

Im_ 3m

Space Group Number

229.00 2

Facts

Interesting Facts

Tungsten element has the second highest melting point.
Pure tungsten can easily cut down with the help of hacksaw.

Sources

Earth's crust, Found in Minerals, Mining, Ores of Minerals

History

Who Discovered

Discovery

In 1781

Abundance

Abundance In Universe

0.00 % 28

Abundance In Sun

0.00 % 23

Abundance In Meteorites

0.00 % 39

Abundance In Earth's Crust

0.00 % 39

Abundance In Oceans

0.00 % 18

Abundance In Humans

0.00 % 24

Uses

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.

Industrial Uses

Aerospace Industry, Automobile Industry, Electrical Industry, Electronic Industry

Medical Uses

Other Uses

Alloys

Biological Properties

Toxicity

Non Toxic

Present in Human Body

Yes

In Blood

0.00 Blood/mg dm-3 31

In Bone

0.00 p.p.m. 40

Physical

Melting Point

3,410.00 °C 1

Boiling Point

5,660.00 °C 1

Appearance

Physical State

Solid

Color

Grayish White

Luster

Lustrous

Hardness

Mohs Hardness

7.50 2

Brinell Hardness

2,000.00 MPa 4

Vickers Hardness

3,430.00 MPa 3

Speed of Sound

4,620.00 m/s 20

Optical Properties

Refractive Index

2.10 11

Reflectivity

62.00 % 21

Allotropes

α Allotropes

β Allotropes

γ Allotropes

Chemical

Chemical Formula

Isotopes

Known Isotopes

33 6

Electronegativity

Pauling Electronegativity

2.36 3

Sanderson Electronegativity

0.98 42

Allred Rochow Electronegativity

1.40 20

Mulliken-Jaffe Electronegativity

2.36 3

Allen Electronegativity

1.47 33

Electropositivity

Pauling Electropositivity

1.64 53

Ionization Energies

1st Energy Level

770.00 kJ/mol 16

2nd Energy Level

1,700.00 kJ/mol 30

3rd Energy Level

2,045.40 kJ/mol 75

4th Energy Level

7,700.00 kJ/mol 8

5th Energy Level

7,700.00 kJ/mol 17

6th Energy Level

7,700.00 kJ/mol 35

7th Energy level

7,700.00 kJ/mol 29

8th Energy Level

7,700.00 kJ/mol 29

9th Energy Level

7,700.00 kJ/mol 25

10th Energy Level

7,700.00 kJ/mol 29

11th Energy Level

7,700.00 kJ/mol 28

12th Energy Level

7,700.00 kJ/mol 46

13th Energy Level

7,700.00 kJ/mol 21

14th Energy Level

770.00 kJ/mol 76

15th Energy Level

77,000.00 kJ/mol 18

16th Energy Level

77,000.00 kJ/mol 13

17th Energy Level

770.00 kJ/mol 34

18th Energy Level

7,700.00 kJ/mol 24

19th Energy Level

770.00 kJ/mol 31

20th Energy Level

770.00 kJ/mol 25

21st Energy Level

770.00 kJ/mol 43

22nd Energy Level

770.00 kJ/mol 19

23rd Energy Level

770.00 kJ/mol 44

24th Energy Level

770.00 kJ/mol 15

25th Energy Level

770.00 kJ/mol 14

26th Energy Level

770.00 kJ/mol 14

27th Energy Level

770.00 kJ/mol 13

28th Energy Level

770.00 kJ/mol 19

29th Energy Level

770.00 kJ/mol 19

30th Energy Level

770.00 kJ/mol 14

Electrochemical Equivalent

1.14 g/amp-hr 58

Electron Work Function

4.55 eV 18

Other Chemical Properties

Ionization, Radioactive Isotopes, Solubility

Atomic

Atomic Number

74 42

Electron Configuration

[Xe] 4f¹⁴ 5d⁴ 6s²

Crystal Structure

Body Centered Cubic (BCC)

Crystal Lattice

BCC-Crystal-Structure-.jpg#100

Atom

Number of Protons

74 41

Number of Neutrons

110 28

Number of Electrons

74 41

Radius of an Atom

Atomic Radius

139.00 pm 41

Covalent Radius

162.00 pm 31

Van der Waals Radius

200.00 pm 35

Atomic Weight

183.84 amu 37

Atomic Volume

9.53 cm3/mol 68

Adjacent Atomic Numbers

Previous Element

Next Element

Valence Electron Potential

140.00 (-eV) 5

Lattice Constant

316.52 pm 63

Lattice Angles

π/2, π/2, π/2

Lattice C/A Ratio

1.29 56

Mechanical

Density

Density At Room Temperature

19.25 g/cm³ 16

Density When Liquid (at m.p.)

17.60 g/cm3 15

Tensile Strength

370.00 MPa 11

Viscosity

0.00 1

Vapor Pressure

Vapor Pressure at 1000 K

0.00 (Pa) 37

Vapor Pressure at 2000 K

0.00 (Pa) 44

Elasticity properties

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

Magnetic

Magnetic Characteristics

Specific Gravity

19.22 18

Magnetic Ordering

Paramagnetic

Permeability

0.00 H/m 17

Susceptibility

0.00 23

Electrical Properties

Electrical Property

Superconductor

Resistivity

52.80 nΩ·m 42

Electrical Conductivity

0.19 10⁶/cm Ω 10

Electron Affinity

78.60 kJ/mol 15

Thermal

Specific Heat

0.13 J/(kg K) 40

Molar Heat Capacity

24.27 J/mol·K 61

Thermal Conductivity

173.00 W/m·K 7

Critical Temperature

3,695.00 K 1

Thermal Expansion

4.50 µm/(m·K) 74

Enthalpy

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 64

Summary >>

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