Meitnerium vs Rhenium
Periodic Table
Symbol
Mt
Re
Group Number
9
9
7
11
Period Number
7
6
Block
d block
d block
Element Family
Probably Transition
Transition Metal
CAS Number
54038016
10
7440155
99+
Space Group Name
Not Available
P63/mmc
Space Group Number
Not Available
194.00
5
Facts
Interesting Facts
Not Available
- Chemical properties of Rhenium are similar to Manganese.
- Rhenium metal is created while refining Molybdenum.
Sources
Bombarding Bi209 with Accelerated Nuclei of Fe58, Synthetically Produced
Found in Minerals, Mining, Ores of Minerals
History
Who Discovered
Gesellschaft für Schwerionenforschung
Masataka Ogawa
Discovery
In 1982
In 1908
Abundance
Abundance In Universe
Not Available
2 * 10-8 %
29
Abundance In Sun
~-9999 %
~0.00000001 %
29
Abundance In Meteorites
Not Available
0.00 %
99+
Abundance In Earth's Crust
Not Available
0.00 %
99+
Abundance In Oceans
Not Available
0.00 %
34
Uses
Uses & Benefits
- Currently known uses of Meitnerium metal are limited to research purpose only.
- 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.
Industrial Uses
NA
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry
Medical Uses
NA
NA
Other Uses
NA
Alloys
Biological Properties
Toxicity
Unknown
Low Toxic
Present in Human Body
No
No
In Blood
0.00 Blood/mg dm-3
37
Not Available
In Bone
0.00 p.p.m.
36
Not Available
Physical Properties
Melting Point
Not Available
3,180.00 °C
2
Boiling Point
Not Available
5,627.00 °C
2
Appearance
Physical State
Solid
Solid
Color
Unknown
Silvery Gray
Luster
Unknown Luster
Metallic
Hardness
Mohs Hardness
Not Available
7.00
3
Brinell Hardness
Not Available
1,320.00 MPa
8
Vickers Hardness
Not Available
1,350.00 MPa
7
Speed of Sound
Not Available
4,700.00 m/s
15
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
Mt
Re
Isotopes
Known Isotopes
4
33
33
6
Electronegativity
Pauling Electronegativity
Not Available
1.90
11
Allred Rochow Electronegativity
Not Available
1.46
15
Allen Electronegativity
Not Available
1.60
21
Electropositivity
Pauling Electropositivity
Not Available
2.10
99+
Ionization Energies
1st Energy Level
800.80 kJ/mol
15
760.00 kJ/mol
20
2nd Energy Level
1,823.60 kJ/mol
17
1,260.00 kJ/mol
99+
3rd Energy Level
2,904.20 kJ/mol
31
2,510.00 kJ/mol
99+
4th Energy Level
3,859.40 kJ/mol
99+
3,640.00 kJ/mol
99+
5th Energy Level
4,920.80 kJ/mol
35
Not Available
Electrochemical Equivalent
Not Available
0.99 g/amp-hr
99+
Electron Work Function
Not Available
4.96 eV
7
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Corrosion, Ionization, Radioactive Isotopes, Solubility
Atomic Properties
Atomic Number
109
9
75
99+
Electron Configuration
[Rn] 5f14 6d7 7s2
[Xe] 4f14 5d5 6s2
Crystal Structure
Face Centered Cubic (FCC)
Hexagonal Close Packed (HCP)
Crystal Lattice
FCC-Crystal-Structure-of-Meitnerium.jpg#100
BCC-Crystal-Structure-.jpg#100
Atom
Number of Protons
109
9
75
40
Number of Neutrons
157
7
111
26
Number of Electrons
109
9
75
40
Radius of an Atom
Atomic Radius
122.00 pm
99+
137.00 pm
40
Covalent Radius
129.00 pm
99+
151.00 pm
34
Van der Waals Radius
Not Available
200.00 pm
28
Atomic Weight
278.00 amu
7
186.21 amu
36
Atomic Volume
Not Available
8.85 cm3/mol
99+
Adjacent Atomic Numbers
Valence Electron Potential
Not Available
180.00 (-eV)
3
Lattice Constant
Not Available
276.10 pm
99+
Lattice Angles
NA
π/2, π/2, 2 π/3
Lattice C/A Ratio
Not Available
1.62
3
Mechanical Properties
Density
Density At Room Temperature
37.40 g/cm3
2
21.02 g/cm3
12
Density When Liquid (at m.p.)
Not Available
18.90 g/cm3
4
Tensile Strength
Not Available
1,070.00 MPa
3
Viscosity
Not Available
Not Available
Vapor Pressure
Vapor Pressure at 2000 K
Not Available
0.00 (Pa)
29
Elasticity properties
Shear Modulus
Not Available
178.00 GPa
3
Bulk Modulus
Not Available
370.00 GPa
2
Young's Modulus
Not Available
463.00 GPa
2
Poisson Ratio
Not Available
0.30
14
Other Mechanical Properties
NA
Ductile, Malleable
Magnetic Properties
Magnetic Characteristics
Specific Gravity
Not Available
21.02
5
Magnetic Ordering
Paramagnetic
Paramagnetic
Electrical Properties
Electrical Property
Unknown
Conductor
Resistivity
Not Available
193.00 nΩ·m
20
Electrical Conductivity
Not Available
0.05 106/cm Ω
33
Electron Affinity
Not Available
14.50 kJ/mol
35
Thermal Properties
Specific Heat
Not Available
0.13 J/(kg K)
39
Molar Heat Capacity
Not Available
25.48 J/mol·K
38
Thermal Conductivity
Not Available
48.00 W/m·K
31
Critical Temperature
Not Available
Not Available
Thermal Expansion
Not Available
6.20 µm/(m·K)
99+
Enthalpy
Enthalpy of Vaporization
Not Available
707.10 kJ/mol
3
Enthalpy of Fusion
Not Available
33.05 kJ/mol
2
Enthalpy of Atomization
Not Available
791.00 kJ/mol
2
Standard Molar Entropy
Not Available
36.90 J/mol.K
99+
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