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Nobelium vs Rhenium

Nobelium
Rhenium
Rhenium vs Nobelium


Periodic Table
Symbol
No  
Re  
Group Number
3  
15
7  
11
Period Number
7  
6  
Block
f block  
d block  
Element Family
Actinide  
Transition Metal  
CAS Number
10028145  
16
7440155  
99+
Space Group Name
-  
P63/mmc  
Space Group Number
194.00  
7
194.00  
7
Facts
Interesting Facts
  • The most stable isotope of Nobelium metal is No-259.
  • No-259 has a half-life of fifty-eight minutes.
  
  • Chemical properties of Rhenium are similar to Manganese.
  • Rhenium metal is created while refining Molybdenum.
  
Sources
Bombarding Curium-246 or Curium-249 with Carbon-12 Nuclei, Found in Minerals, Mining  
Found in Minerals, Mining, Ores of Minerals  
History
  
  
Who Discovered
Joint Institute for Nuclear Research  
Masataka Ogawa  
Discovery
In 1966  
In 1908  
Abundance
  
  
Abundance In Universe
-  
0.00 %  
30
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
  • Currently known uses of Nobelium 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
-  
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
827.00 °C  
99+
3,180.00 °C  
2
Boiling Point
2,600.00 °C  
99+
5,627.00 °C  
2
Appearance
  
  
Physical State
Solid  
Solid  
Color
-  
Silvery Gray  
Luster
Unknown Luster  
Metallic  
Hardness
  
  
Mohs Hardness
-  
7.00  
3
Brinell Hardness
500.00 MPa  
28
1,320.00 MPa  
8
Vickers Hardness
500.00 MPa  
35
1,350.00 MPa  
12
Speed of Sound
1,100.00 m/s  
99+
4,700.00 m/s  
19
Optical Properties
  
  
Refractive Index
1.30  
99+
1.90  
18
Reflectivity
61.00 %  
22
70.00 %  
13
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
No  
Re  
Isotopes
  
  
Known Isotopes
13  
26
33  
6
Electronegativity
  
  
Pauling Electronegativity
1.30  
33
1.90  
12
Sanderson Electronegativity
1.30  
25
1.90  
13
Allred Rochow Electronegativity
1.20  
28
1.46  
16
Mulliken-Jaffe Electronegativity
1.30  
33
1.90  
13
Allen Electronegativity
1.10  
99+
1.60  
24
Electropositivity
  
  
Pauling Electropositivity
2.70  
22
2.10  
99+
Ionization Energies
  
  
1st Energy Level
642.00 kJ/mol  
99+
760.00 kJ/mol  
20
2nd Energy Level
1,254.00 kJ/mol  
99+
1,260.00 kJ/mol  
99+
3rd Energy Level
2,643.00 kJ/mol  
99+
2,510.00 kJ/mol  
99+
4th Energy Level
3,956.00 kJ/mol  
99+
3,640.00 kJ/mol  
99+
5th Energy Level
6,400.00 kJ/mol  
35
7,600.00 kJ/mol  
20
6th Energy Level
6,400.00 kJ/mol  
99+
7,600.00 kJ/mol  
37
7th Energy level
6,270.00 kJ/mol  
99+
7,600.00 kJ/mol  
31
8th Energy Level
6,270.00 kJ/mol  
99+
5,560.00 kJ/mol  
99+
9th Energy Level
6,270.00 kJ/mol  
99+
5,560.00 kJ/mol  
99+
10th Energy Level
6,270.00 kJ/mol  
99+
7,600.00 kJ/mol  
31
11th Energy Level
6,420.00 kJ/mol  
99+
7,600.00 kJ/mol  
30
12th Energy Level
64,000.00 kJ/mol  
8
7,600.00 kJ/mol  
99+
13th Energy Level
6,400.00 kJ/mol  
36
7,600.00 kJ/mol  
23
14th Energy Level
6,400.00 kJ/mol  
26
7,600.00 kJ/mol  
20
15th Energy Level
64,000.00 kJ/mol  
36
76,000.00 kJ/mol  
20
16th Energy Level
64,000.00 kJ/mol  
27
76,000.00 kJ/mol  
15
17th Energy Level
641.00 kJ/mol  
99+
760.10 kJ/mol  
36
18th Energy Level
3,500.00 kJ/mol  
99+
7,600.00 kJ/mol  
26
19th Energy Level
627.60 kJ/mol  
99+
760.40 kJ/mol  
33
20th Energy Level
627.00 kJ/mol  
99+
760.00 kJ/mol  
27
21st Energy Level
917.00 kJ/mol  
34
760.00 kJ/mol  
99+
22nd Energy Level
627.00 kJ/mol  
36
760.00 kJ/mol  
21
23rd Energy Level
6,410.00 kJ/mol  
12
760.00 kJ/mol  
99+
24th Energy Level
627.00 kJ/mol  
39
760.00 kJ/mol  
18
25th Energy Level
0.00 kJ/mol  
99+
760.00 kJ/mol  
18
26th Energy Level
601.20 kJ/mol  
99+
760.00 kJ/mol  
18
27th Energy Level
641.00 kJ/mol  
37
760.00 kJ/mol  
17
28th Energy Level
641.60 kJ/mol  
99+
760.00 kJ/mol  
23
29th Energy Level
641.00 kJ/mol  
99+
760.00 kJ/mol  
24
30th Energy Level
627.00 kJ/mol  
99+
760.00 kJ/mol  
18
Electrochemical Equivalent
4.83 g/amp-hr  
4
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
102  
16
75  
99+
Electron Configuration
[Rn] 5f14 7s2  
[Xe] 4f14 5d5 6s2  
Crystal Structure
Not Known  
Hexagonal Close Packed (HCP)  
Crystal Lattice
Unknown-Crystal-Structure-of-Nobelium.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
102  
16
75  
40
Number of Neutrons
157  
8
111  
27
Number of Electrons
102  
16
75  
40
Radius of an Atom
  
  
Atomic Radius
176.00 pm  
20
137.00 pm  
99+
Covalent Radius
157.00 pm  
33
151.00 pm  
36
Van der Waals Radius
246.00 pm  
12
200.00 pm  
35
Atomic Weight
259.00 amu  
13
186.21 amu  
36
Atomic Volume
19.80 cm3/mol  
33
8.85 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Mendelevium
  
Tungsten
  
Next Element
Lawrencium
  
Osmium
  
Valence Electron Potential
26.00 (-eV)  
99+
180.00 (-eV)  
3
Lattice Constant
-  
276.10 pm  
99+
Lattice Angles
-  
π/2, π/2, 2 π/3  
Lattice C/A Ratio
1.76  
5
1.62  
17
Mechanical
Density
  
  
Density At Room Temperature
9.90 g/cm3  
99+
21.02 g/cm3  
12
Density When Liquid (at m.p.)
9.90 g/cm3  
99+
18.90 g/cm3  
14
Tensile Strength
80.00 MPa  
29
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)  
28
0.00 (Pa)  
40
Elasticity properties
  
  
Shear Modulus
27.00 GPa  
34
178.00 GPa  
3
Bulk Modulus
8.70 GPa  
99+
370.00 GPa  
2
Young's Modulus
12.30 GPa  
99+
463.00 GPa  
2
Poisson Ratio
0.30  
14
0.30  
14
Other Mechanical Properties
-  
Ductile, Malleable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
9.90  
99+
21.02  
14
Magnetic Ordering
-  
Paramagnetic  
Permeability
0.00 H/m  
3
0.00 H/m  
8
Susceptibility
0.00  
24
0.00  
26
Electrical Properties
  
  
Electrical Property
-  
Conductor  
Resistivity
0.68 nΩ·m  
99+
193.00 nΩ·m  
20
Electrical Conductivity
0.00 106/cm Ω  
99+
0.05 106/cm Ω  
38
Electron Affinity
50.00 kJ/mol  
26
14.50 kJ/mol  
99+
Thermal
Specific Heat
0.10 J/(kg K)  
99+
0.13 J/(kg K)  
40
Molar Heat Capacity
27.00 J/mol·K  
29
25.48 J/mol·K  
99+
Thermal Conductivity
0.10 W/m·K  
99+
48.00 W/m·K  
31
Critical Temperature
1,100.00 K  
99+
3,459.00 K  
2
Thermal Expansion
11.00 µm/(m·K)  
99+
6.20 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
-  
707.10 kJ/mol  
4
Enthalpy of Fusion
-  
33.05 kJ/mol  
2
Enthalpy of Atomization
390.40 kJ/mol  
30
791.00 kJ/mol  
2
Standard Molar Entropy
63.00 J/mol.K  
24
36.90 J/mol.K  
99+
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