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Darmstadtium vs Rhenium

Darmstadtium
Rhenium
Rhenium vs Darmstadtium


Periodic Table
Symbol
Ds  
Re  
Group Number
10  
8
7  
11
Period Number
7  
6  
Block
d block  
d block  
Element Family
Probably Transition  
Transition Metal  
CAS Number
54083771  
8
7440155  
99+
Space Group Name
-  
P63/mmc  
Space Group Number
166.00  
9
194.00  
7
Facts
Interesting Facts
Darmstadtium is a synthetic element that is highly radioactive.  
  • Chemical properties of Rhenium are similar to Manganese.
  • Rhenium metal is created while refining Molybdenum.
  
Sources
Synthetically Produced  
Found in Minerals, Mining, Ores of Minerals  
History
  
  
Who Discovered
Gesellschaft für Schwerionenforschung  
Masataka Ogawa  
Discovery
In 1994  
In 1908  
Abundance
  
  
Abundance In Universe
0.00 %  
40
0.00 %  
30
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
  • Currently known uses of Darmstadtium metal are limited to research purpose only. As only few atoms of this metal are produced.
  
  • 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
Research Purposes  
Alloys  
Biological Properties
  
  
Toxicity
-  
Low Toxic  
Present in Human Body
No  
No  
In Blood
0.00 Blood/mg dm-3  
40
0.00 Blood/mg dm-3  
37
In Bone
0.00 p.p.m.  
99+
0.00 p.p.m.  
99+
Physical
Melting Point
-  
3,180.00 °C  
2
Boiling Point
0.00 °C  
99+
5,627.00 °C  
2
Appearance
  
  
Physical State
Solid  
Solid  
Color
-  
Silvery Gray  
Luster
Unknown Luster  
Metallic  
Hardness
  
  
Mohs Hardness
6.00  
6
7.00  
3
Brinell Hardness
350.00 MPa  
36
1,320.00 MPa  
8
Vickers Hardness
500.00 MPa  
35
1,350.00 MPa  
12
Speed of Sound
5,090.00 m/s  
13
4,700.00 m/s  
19
Optical Properties
  
  
Refractive Index
1.30  
99+
1.90  
18
Reflectivity
50.00 %  
31
70.00 %  
13
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Ds  
Re  
Isotopes
  
  
Known Isotopes
9  
29
33  
6
Electronegativity
  
  
Pauling Electronegativity
1.10  
99+
1.90  
12
Sanderson Electronegativity
1.30  
25
1.90  
13
Allred Rochow Electronegativity
1.10  
31
1.46  
16
Mulliken-Jaffe Electronegativity
1.10  
99+
1.90  
13
Allen Electronegativity
1.10  
99+
1.60  
24
Electropositivity
  
  
Pauling Electropositivity
2.20  
39
2.10  
99+
Ionization Energies
  
  
1st Energy Level
955.20 kJ/mol  
5
760.00 kJ/mol  
20
2nd Energy Level
1,891.10 kJ/mol  
16
1,260.00 kJ/mol  
99+
3rd Energy Level
3,029.60 kJ/mol  
25
2,510.00 kJ/mol  
99+
4th Energy Level
3,955.90 kJ/mol  
99+
3,640.00 kJ/mol  
99+
5th Energy Level
5,113.70 kJ/mol  
99+
7,600.00 kJ/mol  
20
6th Energy Level
10,700.00 kJ/mol  
12
7,600.00 kJ/mol  
37
7th Energy level
3,540.00 kJ/mol  
99+
7,600.00 kJ/mol  
31
8th Energy Level
6,630.00 kJ/mol  
40
5,560.00 kJ/mol  
99+
9th Energy Level
7,180.00 kJ/mol  
29
5,560.00 kJ/mol  
99+
10th Energy Level
10,700.00 kJ/mol  
20
7,600.00 kJ/mol  
31
11th Energy Level
3,540.00 kJ/mol  
99+
7,600.00 kJ/mol  
30
12th Energy Level
34,800.00 kJ/mol  
28
7,600.00 kJ/mol  
99+
13th Energy Level
5,280.00 kJ/mol  
99+
7,600.00 kJ/mol  
23
14th Energy Level
1,130.00 kJ/mol  
99+
7,600.00 kJ/mol  
20
15th Energy Level
34,400.00 kJ/mol  
99+
76,000.00 kJ/mol  
20
16th Energy Level
34,800.00 kJ/mol  
99+
76,000.00 kJ/mol  
15
17th Energy Level
1,139.00 kJ/mol  
18
760.10 kJ/mol  
36
18th Energy Level
1,080.00 kJ/mol  
99+
7,600.00 kJ/mol  
26
19th Energy Level
1,139.90 kJ/mol  
15
760.40 kJ/mol  
33
20th Energy Level
0.00 kJ/mol  
99+
760.00 kJ/mol  
27
21st Energy Level
1,080.00 kJ/mol  
32
760.00 kJ/mol  
99+
22nd Energy Level
350.00 kJ/mol  
99+
760.00 kJ/mol  
21
23rd Energy Level
1,100.00 kJ/mol  
35
760.00 kJ/mol  
99+
24th Energy Level
565.80 kJ/mol  
99+
760.00 kJ/mol  
18
25th Energy Level
0.00 kJ/mol  
99+
760.00 kJ/mol  
18
26th Energy Level
582.30 kJ/mol  
99+
760.00 kJ/mol  
18
27th Energy Level
0.00 kJ/mol  
99+
760.00 kJ/mol  
17
28th Energy Level
1,130.00 kJ/mol  
4
760.00 kJ/mol  
23
29th Energy Level
1,130.00 kJ/mol  
4
760.00 kJ/mol  
24
30th Energy Level
663.20 kJ/mol  
33
760.00 kJ/mol  
18
Electrochemical Equivalent
3.00 g/amp-hr  
21
0.99 g/amp-hr  
99+
Electron Work Function
4.90 eV  
12
4.96 eV  
11
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Corrosion, Ionization, Radioactive Isotopes, Solubility  
Atomic
Atomic Number
110  
8
75  
99+
Electron Configuration
[Rn] 5f14 6d8 7s2  
[Xe] 4f14 5d5 6s2  
Crystal Structure
Body Centered Cubic (BCC)  
Hexagonal Close Packed (HCP)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
110  
8
75  
40
Number of Neutrons
161  
4
111  
27
Number of Electrons
110  
8
75  
40
Radius of an Atom
  
  
Atomic Radius
132.00 pm  
99+
137.00 pm  
99+
Covalent Radius
128.00 pm  
99+
151.00 pm  
36
Van der Waals Radius
0.00 pm  
99+
200.00 pm  
35
Atomic Weight
281.00 amu  
6
186.21 amu  
36
Atomic Volume
20.50 cm3/mol  
29
8.85 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Meitnerium
  
Tungsten
  
Next Element
Roentgenium
  
Osmium
  
Valence Electron Potential
0.00 (-eV)  
99+
180.00 (-eV)  
3
Lattice Constant
0.00 pm  
99+
276.10 pm  
99+
Lattice Angles
-  
π/2, π/2, 2 π/3  
Lattice C/A Ratio
1.61  
19
1.62  
17
Mechanical
Density
  
  
Density At Room Temperature
35.00 g/cm3  
4
21.02 g/cm3  
12
Density When Liquid (at m.p.)
34.80 g/cm3  
5
18.90 g/cm3  
14
Tensile Strength
0.10 MPa  
99+
1,070.00 MPa  
3
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)  
37
0.00 (Pa)  
40
Elasticity properties
  
  
Shear Modulus
33.00 GPa  
23
178.00 GPa  
3
Bulk Modulus
38.00 GPa  
99+
370.00 GPa  
2
Young's Modulus
0.00 GPa  
99+
463.00 GPa  
2
Poisson Ratio
0.25  
24
0.30  
14
Other Mechanical Properties
-  
Ductile, Malleable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
34.80  
7
21.02  
14
Magnetic Ordering
-  
Paramagnetic  
Permeability
0.00 H/m  
17
0.00 H/m  
8
Susceptibility
0.00  
24
0.00  
26
Electrical Properties
  
  
Electrical Property
-  
Conductor  
Resistivity
8.30 nΩ·m  
99+
193.00 nΩ·m  
20
Electrical Conductivity
0.00 106/cm Ω  
99+
0.05 106/cm Ω  
38
Electron Affinity
-  
14.50 kJ/mol  
99+
Thermal
Specific Heat
0.10 J/(kg K)  
99+
0.13 J/(kg K)  
40
Molar Heat Capacity
27.30 J/mol·K  
23
25.48 J/mol·K  
99+
Thermal Conductivity
0.00 W/m·K  
99+
48.00 W/m·K  
31
Critical Temperature
1,323.00 K  
99+
3,459.00 K  
2
Thermal Expansion
12.90 µm/(m·K)  
38
6.20 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
348.90 kJ/mol  
34
707.10 kJ/mol  
4
Enthalpy of Fusion
-  
33.05 kJ/mol  
2
Enthalpy of Atomization
-  
791.00 kJ/mol  
2
Standard Molar Entropy
57.00 J/mol.K  
30
36.90 J/mol.K  
99+
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