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Rhenium vs Seaborgium

Rhenium
Seaborgium
Seaborgium vs Rhenium


Periodic Table
Symbol
Re  
Sg  
Group Number
7  
11
6  
12
Period Number
6  
7  
Block
d block  
d block  
Element Family
Transition Metal  
Transition Metal  
CAS Number
7440155  
99+
54038812  
9
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.
  
  • Seaborgium most stable isotope is Sg and it has 2.1 min of half- life.
  • And other isotopes of Seaborgium have half-lives as short as 3 ms.
  
Sources
Found in Minerals, Mining, Ores of Minerals  
Synthetically Produced  
History
  
  
Who Discovered
Masataka Ogawa  
Lawrence Berkeley National Laboratory  
Discovery
In 1908  
In 1974  
Abundance
  
  
Abundance In Universe
0.00 %  
30
0.00 %  
40
Abundance In Sun
0.00 %  
29
-  
Abundance In Meteorites
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 Seaborgium metal are limited to research purpose only.
  
Industrial Uses
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry  
-  
Medical Uses
-  
-  
Other Uses
Alloys  
Research Purposes  
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  
27
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
6.00  
6
Brinell Hardness
1,320.00 MPa  
8
400.00 MPa  
34
Vickers Hardness
1,350.00 MPa  
12
520.00 MPa  
33
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  
Sg  
Isotopes
  
  
Known Isotopes
33  
6
9  
29
Electronegativity
  
  
Pauling Electronegativity
1.90  
12
0.00  
99+
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
1.90  
8
Electropositivity
  
  
Pauling Electropositivity
2.10  
99+
2.20  
39
Ionization Energies
  
  
1st Energy Level
760.00 kJ/mol  
20
757.40 kJ/mol  
21
2nd Energy Level
1,260.00 kJ/mol  
99+
1,732.90 kJ/mol  
29
3rd Energy Level
2,510.00 kJ/mol  
99+
2,483.50 kJ/mol  
99+
4th Energy Level
3,640.00 kJ/mol  
99+
3,415.60 kJ/mol  
99+
5th Energy Level
7,600.00 kJ/mol  
20
4,561.80 kJ/mol  
99+
6th Energy Level
7,600.00 kJ/mol  
37
5,715.80 kJ/mol  
99+
7th Energy level
7,600.00 kJ/mol  
31
5,700.00 kJ/mol  
99+
8th Energy Level
5,560.00 kJ/mol  
99+
5,700.00 kJ/mol  
99+
9th Energy Level
5,560.00 kJ/mol  
99+
5,710.00 kJ/mol  
99+
10th Energy Level
7,600.00 kJ/mol  
31
6,270.00 kJ/mol  
99+
11th Energy Level
7,600.00 kJ/mol  
30
6,600.00 kJ/mol  
39
12th Energy Level
7,600.00 kJ/mol  
99+
971.00 kJ/mol  
99+
13th Energy Level
7,600.00 kJ/mol  
23
5,700.00 kJ/mol  
99+
14th Energy Level
7,600.00 kJ/mol  
20
5,700.00 kJ/mol  
99+
15th Energy Level
76,000.00 kJ/mol  
20
54,000.00 kJ/mol  
99+
16th Energy Level
76,000.00 kJ/mol  
15
64,000.00 kJ/mol  
27
17th Energy Level
760.10 kJ/mol  
36
579.80 kJ/mol  
99+
18th Energy Level
7,600.00 kJ/mol  
26
3,300.00 kJ/mol  
99+
19th Energy Level
760.40 kJ/mol  
33
579.80 kJ/mol  
99+
20th Energy Level
760.00 kJ/mol  
27
579.00 kJ/mol  
99+
21st Energy Level
760.00 kJ/mol  
99+
6,270.00 kJ/mol  
14
22nd Energy Level
760.00 kJ/mol  
21
573.00 kJ/mol  
99+
23rd Energy Level
760.00 kJ/mol  
99+
5,790.00 kJ/mol  
22
24th Energy Level
760.00 kJ/mol  
18
971.00 kJ/mol  
4
25th Energy Level
760.00 kJ/mol  
18
0.00 kJ/mol  
99+
26th Energy Level
760.00 kJ/mol  
18
579.10 kJ/mol  
99+
27th Energy Level
760.00 kJ/mol  
17
870.00 kJ/mol  
7
28th Energy Level
760.00 kJ/mol  
23
870.00 kJ/mol  
10
29th Energy Level
760.00 kJ/mol  
24
761.90 kJ/mol  
21
30th Energy Level
760.00 kJ/mol  
18
0.00 kJ/mol  
99+
Electrochemical Equivalent
0.99 g/amp-hr  
99+
3.20 g/amp-hr  
14
Electron Work Function
4.96 eV  
11
6.00 eV  
1
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Solubility  
-  
Atomic
Atomic Number
75  
99+
106  
12
Electron Configuration
[Xe] 4f14 5d5 6s2  
[Rn] 5f14 6d2 7s2  
Crystal Structure
Hexagonal Close Packed (HCP)  
Body Centered Cubic (BCC)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
75  
40
106  
12
Number of Neutrons
111  
27
157  
8
Number of Electrons
75  
40
106  
12
Radius of an Atom
  
  
Atomic Radius
137.00 pm  
99+
132.00 pm  
99+
Covalent Radius
151.00 pm  
36
143.00 pm  
99+
Van der Waals Radius
200.00 pm  
35
230.00 pm  
24
Atomic Weight
186.21 amu  
36
269.00 amu  
9
Atomic Volume
8.85 cm3/mol  
99+
35.00 cm3/mol  
8
Adjacent Atomic Numbers
  
  
Previous Element
Tungsten
  
Dubnium
  
Next Element
Osmium
  
Bohrium
  
Valence Electron Potential
180.00 (-eV)  
3
6.10 (-eV)  
99+
Lattice Constant
276.10 pm  
99+
-  
Lattice Angles
π/2, π/2, 2 π/3  
-  
Lattice C/A Ratio
1.62  
17
1.36  
99+
Mechanical
Density
  
  
Density At Room Temperature
21.02 g/cm3  
12
35.00 g/cm3  
4
Density When Liquid (at m.p.)
18.90 g/cm3  
14
35.00 g/cm3  
4
Tensile Strength
1,070.00 MPa  
3
30.00 MPa  
99+
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)  
99+
Elasticity properties
  
  
Shear Modulus
178.00 GPa  
3
30.00 GPa  
27
Bulk Modulus
370.00 GPa  
2
0.00 GPa  
99+
Young's Modulus
463.00 GPa  
2
12.60 GPa  
99+
Poisson Ratio
0.30  
14
0.25  
24
Other Mechanical Properties
Ductile, Malleable  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
21.02  
14
35.00  
6
Magnetic Ordering
Paramagnetic  
-  
Permeability
0.00 H/m  
8
0.00 H/m  
7
Susceptibility
0.00  
26
0.00  
24
Electrical Properties
  
  
Electrical Property
Conductor  
-  
Resistivity
193.00 nΩ·m  
20
0.38 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
0.27 J/(kg K)  
19
Molar Heat Capacity
25.48 J/mol·K  
99+
35.00 J/mol·K  
5
Thermal Conductivity
48.00 W/m·K  
31
0.14 W/m·K  
99+
Critical Temperature
3,459.00 K  
2
1,200.00 K  
99+
Thermal Expansion
6.20 µm/(m·K)  
99+
11.00 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
707.10 kJ/mol  
4
585.00 kJ/mol  
10
Enthalpy of Fusion
33.05 kJ/mol  
2
-  
Enthalpy of Atomization
791.00 kJ/mol  
2
650.00 kJ/mol  
8
Standard Molar Entropy
36.90 J/mol.K  
99+
42.70 J/mol.K  
99+
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