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Rhenium vs Hassium

Rhenium
Hassium
Hassium vs Rhenium


Periodic Table
Symbol
Re  
Hs  
Group Number
7  
11
8  
10
Period Number
6  
7  
Block
d block  
d block  
Element Family
Transition Metal  
Transition Metal  
CAS Number
7440155  
99+
54037579  
11
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.
  
  • Hassium metals rate of decay is very high.
  • Hassium metals 1st sample was synthesized through a nuclear reaction.
  
Sources
Found in Minerals, Mining, Ores of Minerals  
Synthetically Produced  
History
  
  
Who Discovered
Masataka Ogawa  
Gesellschaft für Schwerionenforschung  
Discovery
In 1908  
In 1984  
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 Hassium 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  
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  
Silver  
Luster
Metallic  
-  
Hardness
  
  
Mohs Hardness
7.00  
3
4.50  
10
Brinell Hardness
1,320.00 MPa  
8
230.00 MPa  
99+
Vickers Hardness
1,350.00 MPa  
12
2,450.00 MPa  
5
Speed of Sound
4,700.00 m/s  
19
2,760.00 m/s  
99+
Optical Properties
  
  
Refractive Index
1.90  
18
1.30  
99+
Reflectivity
70.00 %  
13
69.00 %  
14
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Re  
Hs  
Isotopes
  
  
Known Isotopes
33  
6
7  
31
Electronegativity
  
  
Pauling Electronegativity
1.90  
12
2.20  
5
Sanderson Electronegativity
1.90  
13
1.30  
25
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
733.30 kJ/mol  
26
2nd Energy Level
1,260.00 kJ/mol  
99+
1,756.00 kJ/mol  
25
3rd Energy Level
2,510.00 kJ/mol  
99+
2,827.00 kJ/mol  
37
4th Energy Level
3,640.00 kJ/mol  
99+
3,637.50 kJ/mol  
99+
5th Energy Level
7,600.00 kJ/mol  
20
4,940.00 kJ/mol  
99+
6th Energy Level
7,600.00 kJ/mol  
37
6,175.10 kJ/mol  
99+
7th Energy level
7,600.00 kJ/mol  
31
7,535.50 kJ/mol  
32
8th Energy Level
5,560.00 kJ/mol  
99+
8,857.40 kJ/mol  
21
9th Energy Level
5,560.00 kJ/mol  
99+
5,400.00 kJ/mol  
99+
10th Energy Level
7,600.00 kJ/mol  
31
6,100.00 kJ/mol  
99+
11th Energy Level
7,600.00 kJ/mol  
30
6,100.00 kJ/mol  
99+
12th Energy Level
7,600.00 kJ/mol  
99+
3,500.00 kJ/mol  
99+
13th Energy Level
7,600.00 kJ/mol  
23
4,200.00 kJ/mol  
99+
14th Energy Level
7,600.00 kJ/mol  
20
1,124.00 kJ/mol  
99+
15th Energy Level
76,000.00 kJ/mol  
20
68,200.00 kJ/mol  
31
16th Energy Level
76,000.00 kJ/mol  
15
32,800.00 kJ/mol  
99+
17th Energy Level
760.10 kJ/mol  
36
1,089.00 kJ/mol  
22
18th Energy Level
7,600.00 kJ/mol  
26
3,300.00 kJ/mol  
99+
19th Energy Level
760.40 kJ/mol  
33
1,086.50 kJ/mol  
19
20th Energy Level
760.00 kJ/mol  
27
880.00 kJ/mol  
14
21st Energy Level
760.00 kJ/mol  
99+
1,086.00 kJ/mol  
30
22nd Energy Level
760.00 kJ/mol  
21
350.00 kJ/mol  
99+
23rd Energy Level
760.00 kJ/mol  
99+
1,120.00 kJ/mol  
34
24th Energy Level
760.00 kJ/mol  
18
540.90 kJ/mol  
99+
25th Energy Level
760.00 kJ/mol  
18
610.00 kJ/mol  
99+
26th Energy Level
760.00 kJ/mol  
18
587.40 kJ/mol  
99+
27th Energy Level
760.00 kJ/mol  
17
880.00 kJ/mol  
5
28th Energy Level
760.00 kJ/mol  
23
840.00 kJ/mol  
14
29th Energy Level
760.00 kJ/mol  
24
867.80 kJ/mol  
11
30th Energy Level
760.00 kJ/mol  
18
0.00 kJ/mol  
99+
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+
108  
10
Electron Configuration
[Xe] 4f14 5d5 6s2  
[Rn] 5f14 6d6 7s2  
Crystal Structure
Hexagonal Close Packed (HCP)  
Hexagonal Close Packed (HCP)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
75  
40
108  
10
Number of Neutrons
111  
27
158  
7
Number of Electrons
75  
40
108  
10
Radius of an Atom
  
  
Atomic Radius
137.00 pm  
99+
126.00 pm  
99+
Covalent Radius
151.00 pm  
36
134.00 pm  
99+
Van der Waals Radius
200.00 pm  
35
0.00 pm  
99+
Atomic Weight
186.21 amu  
36
269.00 amu  
9
Atomic Volume
8.85 cm3/mol  
99+
22.70 cm3/mol  
18
Adjacent Atomic Numbers
  
  
Previous Element
Tungsten
  
Bohrium
  
Next Element
Osmium
  
Meitnerium
  
Valence Electron Potential
180.00 (-eV)  
3
0.00 (-eV)  
99+
Lattice Constant
276.10 pm  
99+
-  
Lattice Angles
π/2, π/2, 2 π/3  
-  
Lattice C/A Ratio
1.62  
17
1.31  
99+
Mechanical
Density
  
  
Density At Room Temperature
21.02 g/cm3  
12
40.70 g/cm3  
1
Density When Liquid (at m.p.)
18.90 g/cm3  
14
41.00 g/cm3  
1
Tensile Strength
1,070.00 MPa  
3
80.00 MPa  
29
Viscosity
0.00  
25
0.00  
27
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)  
30
Elasticity properties
  
  
Shear Modulus
178.00 GPa  
3
40.00 GPa  
19
Bulk Modulus
370.00 GPa  
2
40.00 GPa  
38
Young's Modulus
463.00 GPa  
2
40.00 GPa  
99+
Poisson Ratio
0.30  
14
0.34  
10
Other Mechanical Properties
Ductile, Malleable  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
21.02  
14
41.00  
2
Magnetic Ordering
Paramagnetic  
-  
Permeability
0.00 H/m  
8
0.00 H/m  
8
Susceptibility
0.00  
26
0.00  
25
Electrical Properties
  
  
Electrical Property
Conductor  
-  
Resistivity
193.00 nΩ·m  
20
41.00 nΩ·m  
99+
Electrical Conductivity
0.05 106/cm Ω  
38
0.00 106/cm Ω  
99+
Electron Affinity
14.50 kJ/mol  
99+
63.20 kJ/mol  
19
Thermal
Specific Heat
0.13 J/(kg K)  
40
0.13 J/(kg K)  
99+
Molar Heat Capacity
25.48 J/mol·K  
99+
25.92 J/mol·K  
99+
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+
21.20 µm/(m·K)  
23
Enthalpy
  
  
Enthalpy of Vaporization
707.10 kJ/mol  
4
126.00 kJ/mol  
99+
Enthalpy of Fusion
33.05 kJ/mol  
2
-  
Enthalpy of Atomization
791.00 kJ/mol  
2
-  
Standard Molar Entropy
36.90 J/mol.K  
99+
57.20 J/mol.K  
29
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