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Rhenium vs Meitnerium

Rhenium
Meitnerium
Meitnerium vs Rhenium


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  
Not Available  
Space Group Number
194.00  
5
Not Available  
Facts
Interesting Facts
  • Chemical properties of Rhenium are similar to Manganese.
  • Rhenium metal is created while refining Molybdenum.
  
Not Available  
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
2 * 10-8 %  
29
Not Available  
Abundance In Sun
~0.00000001 %  
29
~-9999 %  
Abundance In Meteorites
0.00 %  
99+
Not Available  
Abundance In Earth's Crust
0.00 %  
99+
Not Available  
Abundance In Oceans
0.00 %  
34
Not Available  
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  
NA  
Medical Uses
NA  
NA  
Other Uses
Alloys  
NA  
Biological Properties
  
  
Toxicity
Low Toxic  
Unknown  
Present in Human Body
No  
No  
In Blood
Not Available  
0.00 Blood/mg dm-3  
37
In Bone
Not Available  
0.00 p.p.m.  
36
Physical Properties
Melting Point
3,180.00 °C  
2
Not Available  
Boiling Point
5,627.00 °C  
2
Not Available  
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery Gray  
Unknown  
Luster
Metallic  
Unknown Luster  
Hardness
  
  
Mohs Hardness
7.00  
3
Not Available  
Brinell Hardness
1,320.00 MPa  
8
Not Available  
Vickers Hardness
1,350.00 MPa  
7
Not Available  
Speed of Sound
4,700.00 m/s  
15
Not Available  
Optical Properties
  
  
Allotropes
No  
No  
α Allotropes
Not Available  
Not Available  
β Allotropes
Not Available  
Not Available  
γ Allotropes
Not Available  
Not Available  
Chemical Properties
Chemical Formula
Re  
Mt  
Isotopes
  
  
Known Isotopes
33  
6
4  
33
Electronegativity
  
  
Pauling Electronegativity
1.90  
11
Not Available  
Allred Rochow Electronegativity
1.46  
15
Not Available  
Allen Electronegativity
1.60  
21
Not Available  
Electropositivity
  
  
Pauling Electropositivity
2.10  
99+
Not Available  
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  
17
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
Not Available  
4,920.80 kJ/mol  
35
Electrochemical Equivalent
0.99 g/amp-hr  
99+
Not Available  
Electron Work Function
4.96 eV  
7
Not Available  
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Solubility  
Ionization, Radioactive Isotopes, Radioactivity  
Atomic Properties
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  
26
157  
7
Number of Electrons
75  
40
109  
9
Radius of an Atom
  
  
Atomic Radius
137.00 pm  
40
122.00 pm  
99+
Covalent Radius
151.00 pm  
34
129.00 pm  
99+
Van der Waals Radius
200.00 pm  
28
Not Available  
Atomic Weight
186.21 amu  
36
278.00 amu  
7
Atomic Volume
8.85 cm3/mol  
99+
Not Available  
Adjacent Atomic Numbers
  
  
Previous Element
Tungsten
  
Hassium
  
Next Element
Osmium
  
Darmstadtium
  
Valence Electron Potential
180.00 (-eV)  
3
Not Available  
Lattice Constant
276.10 pm  
99+
Not Available  
Lattice Angles
π/2, π/2, 2 π/3  
NA  
Lattice C/A Ratio
1.62  
3
Not Available  
Mechanical Properties
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  
4
Not Available  
Tensile Strength
1,070.00 MPa  
3
Not Available  
Viscosity
Not Available  
Not Available  
Vapor Pressure
  
  
Vapor Pressure at 2000 K
0.00 (Pa)  
29
Not Available  
Elasticity properties
  
  
Shear Modulus
178.00 GPa  
3
Not Available  
Bulk Modulus
370.00 GPa  
2
Not Available  
Young's Modulus
463.00 GPa  
2
Not Available  
Poisson Ratio
0.30  
14
Not Available  
Other Mechanical Properties
Ductile, Malleable  
NA  
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
21.02  
5
Not Available  
Magnetic Ordering
Paramagnetic  
Paramagnetic  
Electrical Properties
  
  
Electrical Property
Conductor  
Unknown  
Resistivity
193.00 nΩ·m  
20
Not Available  
Electrical Conductivity
0.05 106/cm Ω  
33
Not Available  
Electron Affinity
14.50 kJ/mol  
35
Not Available  
Thermal Properties
Specific Heat
0.13 J/(kg K)  
39
Not Available  
Molar Heat Capacity
25.48 J/mol·K  
38
Not Available  
Thermal Conductivity
48.00 W/m·K  
31
Not Available  
Critical Temperature
Not Available  
Not Available  
Thermal Expansion
6.20 µm/(m·K)  
99+
Not Available  
Enthalpy
  
  
Enthalpy of Vaporization
707.10 kJ/mol  
3
Not Available  
Enthalpy of Fusion
33.05 kJ/mol  
2
Not Available  
Enthalpy of Atomization
791.00 kJ/mol  
2
Not Available  
Standard Molar Entropy
36.90 J/mol.K  
99+
Not Available  
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