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Rhenium Meitnerium Comparison

Rhenium
Meitnerium
Meitnerium Rhenium comparison


Periodic Table
Symbol
Re  
Mt  
Group Number
7  
11
9  
9
Period Number
6  
7  
Block
d block  
d block  
Element Family
Transition Metal  
Probably Transition  
CAS Number
7440155  
99+
54038016  
10
Space Group Name
P63/mmc  
-  
Space Group Number
194.00  
7
166.00  
9
Facts
Interesting Facts
  • Chemical properties of Rhenium are similar to Manganese.
  • Rhenium metal is created while refining Molybdenum.
  
Meitnerium is named after Lise Meitner, an Austrian physicist.  
Sources
Found in Minerals, Mining, Ores of Minerals  
Bombarding Bi209 with Accelerated Nuclei of Fe58, Synthetically Produced  
History
  
  
Who Discovered
Masataka Ogawa  
Gesellschaft für Schwerionenforschung  
Discovery
In 1908  
In 1982  
Abundance
  
  
Abundance In Universe
0.00 %  
30
0.00 %  
40
Abundance In Sun
0.00 %  
29
-  
Abundance In Meteorites
0.00 %  
99+
0.00 %  
99+
Abundance In Earth's Crust
0.00 %  
99+
-  
Abundance In Oceans
0.00 %  
34
-  
Abundance In Humans
0.00 %  
24
-  
Uses
Uses & Benefits
  • Alloys of Rhenium are used as an electric contact material. It can resist withstand arc corrosion.
  • Its catalysts are used in hydrogenation of fine chemicals. Its Alloy with nickel is used to produce turbine blades.
  
  • Currently known uses of Meitnerium metal are limited to research purpose only.
  
Industrial Uses
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry  
-  
Medical Uses
-  
-  
Other Uses
Alloys  
-  
Biological Properties
  
  
Toxicity
Low Toxic  
-  
Present in Human Body
No  
No  
In Blood
0.00 Blood/mg dm-3  
37
0.00 Blood/mg dm-3  
40
In Bone
0.00 p.p.m.  
99+
0.00 p.p.m.  
99+
Physical
Melting Point
3,180.00 °C  
2
-  
Boiling Point
5,627.00 °C  
2
0.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery Gray  
-  
Luster
Metallic  
Unknown Luster  
Hardness
  
  
Mohs Hardness
7.00  
3
-  
Brinell Hardness
1,320.00 MPa  
8
400.00 MPa  
34
Vickers Hardness
1,350.00 MPa  
12
350.00 MPa  
99+
Speed of Sound
4,700.00 m/s  
19
3,200.00 m/s  
35
Optical Properties
  
  
Refractive Index
1.90  
18
1.30  
99+
Reflectivity
70.00 %  
13
68.00 %  
15
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Re  
Mt  
Isotopes
  
  
Known Isotopes
33  
6
4  
33
Electronegativity
  
  
Pauling Electronegativity
1.90  
12
1.30  
33
Sanderson Electronegativity
1.90  
13
1.90  
13
Allred Rochow Electronegativity
1.46  
16
1.30  
25
Mulliken-Jaffe Electronegativity
1.90  
13
1.30  
33
Allen Electronegativity
1.60  
24
1.30  
40
Electropositivity
  
  
Pauling Electropositivity
2.10  
99+
2.00  
99+
Ionization Energies
  
  
1st Energy Level
760.00 kJ/mol  
20
800.80 kJ/mol  
15
2nd Energy Level
1,260.00 kJ/mol  
99+
1,823.60 kJ/mol  
18
3rd Energy Level
2,510.00 kJ/mol  
99+
2,904.20 kJ/mol  
31
4th Energy Level
3,640.00 kJ/mol  
99+
3,859.40 kJ/mol  
99+
5th Energy Level
7,600.00 kJ/mol  
20
4,920.80 kJ/mol  
99+
6th Energy Level
7,600.00 kJ/mol  
37
8,000.00 kJ/mol  
34
7th Energy level
7,600.00 kJ/mol  
31
8,000.00 kJ/mol  
28
8th Energy Level
5,560.00 kJ/mol  
99+
8,000.00 kJ/mol  
28
9th Energy Level
5,560.00 kJ/mol  
99+
6,700.00 kJ/mol  
36
10th Energy Level
7,600.00 kJ/mol  
31
5,800.00 kJ/mol  
99+
11th Energy Level
7,600.00 kJ/mol  
30
6,300.00 kJ/mol  
99+
12th Energy Level
7,600.00 kJ/mol  
99+
0.00 kJ/mol  
99+
13th Energy Level
7,600.00 kJ/mol  
23
8,000.00 kJ/mol  
20
14th Energy Level
7,600.00 kJ/mol  
20
1,156.00 kJ/mol  
99+
15th Energy Level
76,000.00 kJ/mol  
20
80,000.00 kJ/mol  
17
16th Energy Level
76,000.00 kJ/mol  
15
58,700.00 kJ/mol  
39
17th Energy Level
760.10 kJ/mol  
36
1,110.00 kJ/mol  
20
18th Energy Level
7,600.00 kJ/mol  
26
8,000.00 kJ/mol  
23
19th Energy Level
760.40 kJ/mol  
33
1,110.00 kJ/mol  
17
20th Energy Level
760.00 kJ/mol  
27
850.00 kJ/mol  
18
21st Energy Level
760.00 kJ/mol  
99+
800.00 kJ/mol  
99+
22nd Energy Level
760.00 kJ/mol  
21
380.00 kJ/mol  
99+
23rd Energy Level
760.00 kJ/mol  
99+
8,000.00 kJ/mol  
9
24th Energy Level
760.00 kJ/mol  
18
565.60 kJ/mol  
99+
25th Energy Level
760.00 kJ/mol  
18
800.00 kJ/mol  
13
26th Energy Level
760.00 kJ/mol  
18
800.00 kJ/mol  
13
27th Energy Level
760.00 kJ/mol  
17
800.00 kJ/mol  
12
28th Energy Level
760.00 kJ/mol  
23
800.00 kJ/mol  
18
29th Energy Level
760.00 kJ/mol  
24
800.00 kJ/mol  
18
30th Energy Level
760.00 kJ/mol  
18
800.00 kJ/mol  
13
Electrochemical Equivalent
0.99 g/amp-hr  
99+
3.00 g/amp-hr  
21
Electron Work Function
4.96 eV  
11
4.90 eV  
12
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Solubility  
Ionization, Radioactive Isotopes, Radioactivity  
Atomic
Atomic Number
75  
99+
109  
9
Electron Configuration
[Xe] 4f14 5d5 6s2  
[Rn] 5f14 6d7 7s2  
Crystal Structure
Hexagonal Close Packed (HCP)  
Face Centered Cubic (FCC)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
FCC-Crystal-Structure-of-Meitnerium.jpg#100  
Atom
  
  
Number of Protons
75  
40
109  
9
Number of Neutrons
111  
27
157  
8
Number of Electrons
75  
40
109  
9
Radius of an Atom
  
  
Atomic Radius
137.00 pm  
99+
122.00 pm  
99+
Covalent Radius
151.00 pm  
36
129.00 pm  
99+
Van der Waals Radius
200.00 pm  
35
260.00 pm  
9
Atomic Weight
186.21 amu  
36
278.00 amu  
7
Atomic Volume
8.85 cm3/mol  
99+
20.20 cm3/mol  
30
Adjacent Atomic Numbers
  
  
Previous Element
Tungsten
  
Hassium
  
Next Element
Osmium
  
Darmstadtium
  
Valence Electron Potential
180.00 (-eV)  
3
31.20 (-eV)  
99+
Lattice Constant
276.10 pm  
99+
0.00 pm  
99+
Lattice Angles
π/2, π/2, 2 π/3  
-  
Lattice C/A Ratio
1.62  
17
1.59  
27
Mechanical
Density
  
  
Density At Room Temperature
21.02 g/cm3  
12
37.40 g/cm3  
2
Density When Liquid (at m.p.)
18.90 g/cm3  
14
37.40 g/cm3  
2
Tensile Strength
1,070.00 MPa  
3
80.00 MPa  
29
Viscosity
0.00  
25
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)  
40
0.00 (Pa)  
37
Elasticity properties
  
  
Shear Modulus
178.00 GPa  
3
35.00 GPa  
21
Bulk Modulus
370.00 GPa  
2
0.00 GPa  
99+
Young's Modulus
463.00 GPa  
2
13.50 GPa  
99+
Poisson Ratio
0.30  
14
0.25  
24
Other Mechanical Properties
Ductile, Malleable  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
21.02  
14
37.40  
4
Magnetic Ordering
Paramagnetic  
Paramagnetic  
Permeability
0.00 H/m  
8
0.00 H/m  
12
Susceptibility
0.00  
26
0.00  
24
Electrical Properties
  
  
Electrical Property
Conductor  
-  
Resistivity
193.00 nΩ·m  
20
0.35 nΩ·m  
99+
Electrical Conductivity
0.05 106/cm Ω  
38
0.00 106/cm Ω  
99+
Electron Affinity
14.50 kJ/mol  
99+
50.00 kJ/mol  
26
Thermal
Specific Heat
0.13 J/(kg K)  
40
0.10 J/(kg K)  
99+
Molar Heat Capacity
25.48 J/mol·K  
99+
27.00 J/mol·K  
29
Thermal Conductivity
48.00 W/m·K  
31
0.00 W/m·K  
99+
Critical Temperature
3,459.00 K  
2
1,323.00 K  
99+
Thermal Expansion
6.20 µm/(m·K)  
99+
10.30 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
707.10 kJ/mol  
4
110.00 kJ/mol  
99+
Enthalpy of Fusion
33.05 kJ/mol  
2
-  
Enthalpy of Atomization
791.00 kJ/mol  
2
350.20 kJ/mol  
37
Standard Molar Entropy
36.90 J/mol.K  
99+
63.80 J/mol.K  
22
Summary >>
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