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Tungsten vs Meitnerium

Tungsten
Meitnerium
Meitnerium vs Tungsten


Periodic Table
Symbol
W  
Mt  
Group Number
6  
12
9  
9
Period Number
6  
7  
Block
d block  
d block  
Element Family
Transition Metal  
Probably Transition  
CAS Number
7440337  
99+
54038016  
10
Space Group Name
Im_ 3m  
-  
Space Group Number
229.00  
2
166.00  
9
Facts
Interesting Facts
  • Tungsten element has the second highest melting point.
  • Pure tungsten can easily cut down with the help of hacksaw.
  
Meitnerium is named after Lise Meitner, an Austrian physicist.  
Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals  
Bombarding Bi209 with Accelerated Nuclei of Fe58, Synthetically Produced  
History
  
  
Who Discovered
-  
Gesellschaft für Schwerionenforschung  
Discovery
In 1781  
In 1982  
Abundance
  
  
Abundance In Universe
0.00 %  
28
0.00 %  
40
Abundance In Sun
0.00 %  
23
-  
Abundance In Meteorites
0.00 %  
39
0.00 %  
99+
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.
  
  • Currently known uses of Meitnerium metal are limited to research purpose only.
  
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  
No  
In Blood
0.00 Blood/mg dm-3  
31
0.00 Blood/mg dm-3  
40
In Bone
0.00 p.p.m.  
40
0.00 p.p.m.  
99+
Physical
Melting Point
3,410.00 °C  
1
-  
Boiling Point
5,660.00 °C  
1
0.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Grayish White  
-  
Luster
Lustrous  
Unknown Luster  
Hardness
  
  
Mohs Hardness
7.50  
2
-  
Brinell Hardness
2,000.00 MPa  
4
400.00 MPa  
34
Vickers Hardness
3,430.00 MPa  
3
350.00 MPa  
99+
Speed of Sound
4,620.00 m/s  
20
3,200.00 m/s  
35
Optical Properties
  
  
Refractive Index
2.10  
11
1.30  
99+
Reflectivity
62.00 %  
21
68.00 %  
15
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
W  
Mt  
Isotopes
  
  
Known Isotopes
33  
6
4  
33
Electronegativity
  
  
Pauling Electronegativity
2.36  
3
1.30  
33
Sanderson Electronegativity
0.98  
99+
1.90  
13
Allred Rochow Electronegativity
1.40  
20
1.30  
25
Mulliken-Jaffe Electronegativity
2.36  
3
1.30  
33
Allen Electronegativity
1.47  
33
1.30  
40
Electropositivity
  
  
Pauling Electropositivity
1.64  
99+
2.00  
99+
Ionization Energies
  
  
1st Energy Level
770.00 kJ/mol  
16
800.80 kJ/mol  
15
2nd Energy Level
1,700.00 kJ/mol  
30
1,823.60 kJ/mol  
18
3rd Energy Level
2,045.40 kJ/mol  
99+
2,904.20 kJ/mol  
31
4th Energy Level
7,700.00 kJ/mol  
8
3,859.40 kJ/mol  
99+
5th Energy Level
7,700.00 kJ/mol  
17
4,920.80 kJ/mol  
99+
6th Energy Level
7,700.00 kJ/mol  
35
8,000.00 kJ/mol  
34
7th Energy level
7,700.00 kJ/mol  
29
8,000.00 kJ/mol  
28
8th Energy Level
7,700.00 kJ/mol  
29
8,000.00 kJ/mol  
28
9th Energy Level
7,700.00 kJ/mol  
25
6,700.00 kJ/mol  
36
10th Energy Level
7,700.00 kJ/mol  
29
5,800.00 kJ/mol  
99+
11th Energy Level
7,700.00 kJ/mol  
28
6,300.00 kJ/mol  
99+
12th Energy Level
7,700.00 kJ/mol  
99+
0.00 kJ/mol  
99+
13th Energy Level
7,700.00 kJ/mol  
21
8,000.00 kJ/mol  
20
14th Energy Level
770.00 kJ/mol  
99+
1,156.00 kJ/mol  
99+
15th Energy Level
77,000.00 kJ/mol  
18
80,000.00 kJ/mol  
17
16th Energy Level
77,000.00 kJ/mol  
13
58,700.00 kJ/mol  
39
17th Energy Level
770.00 kJ/mol  
34
1,110.00 kJ/mol  
20
18th Energy Level
7,700.00 kJ/mol  
24
8,000.00 kJ/mol  
23
19th Energy Level
770.00 kJ/mol  
31
1,110.00 kJ/mol  
17
20th Energy Level
770.00 kJ/mol  
25
850.00 kJ/mol  
18
21st Energy Level
770.00 kJ/mol  
99+
800.00 kJ/mol  
99+
22nd Energy Level
770.00 kJ/mol  
19
380.00 kJ/mol  
99+
23rd Energy Level
770.00 kJ/mol  
99+
8,000.00 kJ/mol  
9
24th Energy Level
770.00 kJ/mol  
15
565.60 kJ/mol  
99+
25th Energy Level
770.00 kJ/mol  
14
800.00 kJ/mol  
13
26th Energy Level
770.00 kJ/mol  
14
800.00 kJ/mol  
13
27th Energy Level
770.00 kJ/mol  
13
800.00 kJ/mol  
12
28th Energy Level
770.00 kJ/mol  
19
800.00 kJ/mol  
18
29th Energy Level
770.00 kJ/mol  
19
800.00 kJ/mol  
18
30th Energy Level
770.00 kJ/mol  
14
800.00 kJ/mol  
13
Electrochemical Equivalent
1.14 g/amp-hr  
99+
3.00 g/amp-hr  
21
Electron Work Function
4.55 eV  
18
4.90 eV  
12
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility  
Ionization, Radioactive Isotopes, Radioactivity  
Atomic
Atomic Number
74  
99+
109  
9
Electron Configuration
[Xe] 4f14 5d4 6s2  
[Rn] 5f14 6d7 7s2  
Crystal Structure
Body Centered Cubic (BCC)  
Face Centered Cubic (FCC)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
FCC-Crystal-Structure-of-Meitnerium.jpg#100  
Atom
  
  
Number of Protons
74  
99+
109  
9
Number of Neutrons
110  
28
157  
8
Number of Electrons
74  
99+
109  
9
Radius of an Atom
  
  
Atomic Radius
139.00 pm  
99+
122.00 pm  
99+
Covalent Radius
162.00 pm  
31
129.00 pm  
99+
Van der Waals Radius
200.00 pm  
35
260.00 pm  
9
Atomic Weight
183.84 amu  
37
278.00 amu  
7
Atomic Volume
9.53 cm3/mol  
99+
20.20 cm3/mol  
30
Adjacent Atomic Numbers
  
  
Previous Element
Tantalum
  
Hassium
  
Next Element
Rhenium
  
Darmstadtium
  
Valence Electron Potential
140.00 (-eV)  
5
31.20 (-eV)  
99+
Lattice Constant
316.52 pm  
99+
0.00 pm  
99+
Lattice Angles
π/2, π/2, π/2  
-  
Lattice C/A Ratio
1.29  
99+
1.59  
27
Mechanical
Density
  
  
Density At Room Temperature
19.25 g/cm3  
16
37.40 g/cm3  
2
Density When Liquid (at m.p.)
17.60 g/cm3  
15
37.40 g/cm3  
2
Tensile Strength
370.00 MPa  
11
80.00 MPa  
29
Viscosity
0.00  
1
0.00  
25
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
37
Vapor Pressure at 2000 K
0.00 (Pa)  
99+
0.00 (Pa)  
37
Elasticity properties
  
  
Shear Modulus
161.00 GPa  
5
35.00 GPa  
21
Bulk Modulus
310.00 GPa  
4
0.00 GPa  
99+
Young's Modulus
411.00 GPa  
4
13.50 GPa  
99+
Poisson Ratio
0.28  
17
0.25  
24
Other Mechanical Properties
Ductile, Malleable  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
19.22  
18
37.40  
4
Magnetic Ordering
Paramagnetic  
Paramagnetic  
Permeability
0.00 H/m  
17
0.00 H/m  
12
Susceptibility
0.00  
23
0.00  
24
Electrical Properties
  
  
Electrical Property
Superconductor  
-  
Resistivity
52.80 nΩ·m  
99+
0.35 nΩ·m  
99+
Electrical Conductivity
0.19 106/cm Ω  
10
0.00 106/cm Ω  
99+
Electron Affinity
78.60 kJ/mol  
15
50.00 kJ/mol  
26
Thermal
Specific Heat
0.13 J/(kg K)  
40
0.10 J/(kg K)  
99+
Molar Heat Capacity
24.27 J/mol·K  
99+
27.00 J/mol·K  
29
Thermal Conductivity
173.00 W/m·K  
7
0.00 W/m·K  
99+
Critical Temperature
3,695.00 K  
1
1,323.00 K  
99+
Thermal Expansion
4.50 µm/(m·K)  
99+
10.30 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
799.10 kJ/mol  
1
110.00 kJ/mol  
99+
Enthalpy of Fusion
35.23 kJ/mol  
1
-  
Enthalpy of Atomization
837.00 kJ/mol  
1
350.20 kJ/mol  
37
Standard Molar Entropy
32.60 J/mol.K  
99+
63.80 J/mol.K  
22
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