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What is Rhenium?
Rhenium


Periodic Table
Symbol
Re
Group Number
7 11
Period Number
6 2
Block
d block
Element Family
Transition Metal
CAS Number
7440155 64
Space Group Name
P63/mmc
Space Group Number
194.00 7
Facts
Interesting Facts
  • Chemical properties of Rhenium are similar to Manganese.
  • Rhenium metal is created while refining Molybdenum.
Sources
Found in Minerals, Mining, Ores of Minerals
History
Who Discovered
Masataka Ogawa
Discovery
In 1908
Abundance
Abundance In Universe
0.00 % 30
Abundance In Sun
0.00 % 29
Abundance In Meteorites
0.00 % 44
Abundance In Earth's Crust
0.00 % 52
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.
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
In Blood
0.00 Blood/mg dm-3 37
In Bone
0.00 p.p.m. 41
Physical
Melting Point
3,180.00 °C 2
Boiling Point
5,627.00 °C 2
Appearance
Physical State
Solid
Color
Silvery Gray
Luster
Metallic
Hardness
Mohs Hardness
7.00 3
Brinell Hardness
1,320.00 MPa 8
Vickers Hardness
1,350.00 MPa 12
Speed of Sound
4,700.00 m/s 19
Optical Properties
Refractive Index
1.90 18
Reflectivity
70.00 % 13
Allotropes
No
α Allotropes
-
β Allotropes
-
γ Allotropes
-
Chemical
Chemical Formula
Re
Isotopes
Known Isotopes
33 6
Electronegativity
Pauling Electronegativity
1.90 12
Sanderson Electronegativity
1.90 13
Allred Rochow Electronegativity
1.46 16
Mulliken-Jaffe Electronegativity
1.90 13
Allen Electronegativity
1.60 24
Electropositivity
Pauling Electropositivity
2.10 43
Ionization Energies
1st Energy Level
760.00 kJ/mol 20
2nd Energy Level
1,260.00 kJ/mol 56
3rd Energy Level
2,510.00 kJ/mol 46
4th Energy Level
3,640.00 kJ/mol 60
5th Energy Level
7,600.00 kJ/mol 20
6th Energy Level
7,600.00 kJ/mol 37
7th Energy level
7,600.00 kJ/mol 31
8th Energy Level
5,560.00 kJ/mol 66
9th Energy Level
5,560.00 kJ/mol 64
10th Energy Level
7,600.00 kJ/mol 31
11th Energy Level
7,600.00 kJ/mol 30
12th Energy Level
7,600.00 kJ/mol 48
13th Energy Level
7,600.00 kJ/mol 23
14th Energy Level
7,600.00 kJ/mol 20
15th Energy Level
76,000.00 kJ/mol 20
16th Energy Level
76,000.00 kJ/mol 15
17th Energy Level
760.10 kJ/mol 36
18th Energy Level
7,600.00 kJ/mol 26
19th Energy Level
760.40 kJ/mol 33
20th Energy Level
760.00 kJ/mol 27
21st Energy Level
760.00 kJ/mol 45
22nd Energy Level
760.00 kJ/mol 21
23rd Energy Level
760.00 kJ/mol 46
24th Energy Level
760.00 kJ/mol 18
25th Energy Level
760.00 kJ/mol 18
26th Energy Level
760.00 kJ/mol 18
27th Energy Level
760.00 kJ/mol 17
28th Energy Level
760.00 kJ/mol 23
29th Energy Level
760.00 kJ/mol 24
30th Energy Level
760.00 kJ/mol 18
Electrochemical Equivalent
0.99 g/amp-hr 63
Electron Work Function
4.96 eV 11
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Solubility
Atomic
Atomic Number
75 41
Electron Configuration
[Xe] 4f14 5d5 6s2
Crystal Structure
Hexagonal Close Packed (HCP)
Crystal Lattice
BCC-Crystal-Structure-.jpg#100
Atom
Number of Protons
75 40
Number of Neutrons
111 27
Number of Electrons
75 40
Radius of an Atom
Atomic Radius
137.00 pm 42
Covalent Radius
151.00 pm 36
Van der Waals Radius
200.00 pm 35
Atomic Weight
186.21 amu 36
Atomic Volume
8.85 cm3/mol 73
Adjacent Atomic Numbers
Previous Element
32
Next Element
44
Valence Electron Potential
180.00 (-eV) 3
Lattice Constant
276.10 pm 71
Lattice Angles
π/2, π/2, 2 π/3
Lattice C/A Ratio
1.62 17
Mechanical
Density
Density At Room Temperature
21.02 g/cm3 12
Density When Liquid (at m.p.)
18.90 g/cm3 14
Tensile Strength
1,070.00 MPa 3
Viscosity
0.00 25
Vapor Pressure
Vapor Pressure at 1000 K
0.00 (Pa) 37
Vapor Pressure at 2000 K
0.00 (Pa) 40
Elasticity properties
Shear Modulus
178.00 GPa 3
Bulk Modulus
370.00 GPa 2
Young's Modulus
463.00 GPa 2
Poisson Ratio
0.30 14
Other Mechanical Properties
Ductile, Malleable
Magnetic
Magnetic Characteristics
Specific Gravity
21.02 14
Magnetic Ordering
Paramagnetic
Permeability
0.00 H/m 8
Susceptibility
0.00 26
Electrical Properties
Electrical Property
Conductor
Resistivity
193.00 nΩ·m 20
Electrical Conductivity
0.05 106/cm Ω 38
Electron Affinity
14.50 kJ/mol 41
Thermal
Specific Heat
0.13 J/(kg K) 40
Molar Heat Capacity
25.48 J/mol·K 47
Thermal Conductivity
48.00 W/m·K 31
Critical Temperature
3,459.00 K 2
Thermal Expansion
6.20 µm/(m·K) 68
Enthalpy
Enthalpy of Vaporization
707.10 kJ/mol 4
Enthalpy of Fusion
33.05 kJ/mol 2
Enthalpy of Atomization
791.00 kJ/mol 2
Standard Molar Entropy
36.90 J/mol.K 58
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