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Rhenium vs Sodium

Rhenium
Sodium
Sodium vs Rhenium


Periodic Table
Symbol
Re  
-  
Group Number
7  
11
1  
17
Period Number
6  
3  
Block
d block  
s block  
Element Family
Transition Metal  
Alkali  
CAS Number
7440155  
99+
7440235  
99+
Space Group Name
P63/mmc  
Im_ 3m  
Space Group Number
194.00  
7
229.00  
2
Facts
Interesting Facts
  • Chemical properties of Rhenium are similar to Manganese.
  • Rhenium metal is created while refining Molybdenum.
  
  • At room temperature Sodium metal is very soft as it can be chopped down into pieces with butter knife.
  • The most common compound of Sodium is NaCl (Salt).
  
Sources
Found in Minerals, Mining, Ores of Minerals  
By Electrolysis Process, Mining  
History
  
  
Who Discovered
Masataka Ogawa  
Humphry Davy  
Discovery
In 1908  
In 1807  
Abundance
  
  
Abundance In Universe
0.00 %  
30
0.00 %  
7
Abundance In Sun
0.00 %  
29
0.00 %  
6
Abundance In Meteorites
0.00 %  
99+
0.55 %  
6
Abundance In Earth's Crust
0.00 %  
99+
2.30 %  
5
Abundance In Oceans
0.00 %  
34
1.10 %  
1
Abundance In Humans
0.00 %  
24
0.14 %  
4
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.
  
  • In some nuclear reactors sodium is used as a heat exchanger.
  • Compound of Sodium metals called Salt (Sodium chloride) is used in Food.
  
Industrial Uses
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry  
Electrical Industry, Electronic Industry  
Medical Uses
-  
Pharmaceutical Industry  
Other Uses
Alloys  
Alloys  
Biological Properties
  
  
Toxicity
Low Toxic  
Toxic  
Present in Human Body
No  
Yes  
In Blood
0.00 Blood/mg dm-3  
37
1,970.00 Blood/mg dm-3  
1
In Bone
0.00 p.p.m.  
99+
10,000.00 p.p.m.  
2
Physical
Melting Point
3,180.00 °C  
2
97.72 °C  
99+
Boiling Point
5,627.00 °C  
2
883.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery Gray  
Silvery White  
Luster
Metallic  
Metallic  
Hardness
  
  
Mohs Hardness
7.00  
3
0.50  
24
Brinell Hardness
1,320.00 MPa  
8
0.69 MPa  
99+
Vickers Hardness
1,350.00 MPa  
12
0.69 MPa  
99+
Speed of Sound
4,700.00 m/s  
19
3,200.00 m/s  
35
Optical Properties
  
  
Refractive Index
1.90  
18
1.33  
99+
Reflectivity
70.00 %  
13
53.00 %  
28
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Re  
-  
Isotopes
  
  
Known Isotopes
33  
6
17  
22
Electronegativity
  
  
Pauling Electronegativity
1.90  
12
0.93  
99+
Sanderson Electronegativity
1.90  
13
0.56  
99+
Allred Rochow Electronegativity
1.46  
16
1.01  
36
Mulliken-Jaffe Electronegativity
1.90  
13
0.91  
99+
Allen Electronegativity
1.60  
24
0.87  
99+
Electropositivity
  
  
Pauling Electropositivity
2.10  
99+
3.07  
6
Ionization Energies
  
  
1st Energy Level
760.00 kJ/mol  
20
495.80 kJ/mol  
99+
2nd Energy Level
1,260.00 kJ/mol  
99+
4,562.00 kJ/mol  
4
3rd Energy Level
2,510.00 kJ/mol  
99+
6,910.30 kJ/mol  
6
4th Energy Level
3,640.00 kJ/mol  
99+
9,543.00 kJ/mol  
5
5th Energy Level
7,600.00 kJ/mol  
20
13,354.00 kJ/mol  
4
6th Energy Level
7,600.00 kJ/mol  
37
16,613.00 kJ/mol  
4
7th Energy level
7,600.00 kJ/mol  
31
20,117.00 kJ/mol  
4
8th Energy Level
5,560.00 kJ/mol  
99+
25,496.00 kJ/mol  
4
9th Energy Level
5,560.00 kJ/mol  
99+
28,932.00 kJ/mol  
4
10th Energy Level
7,600.00 kJ/mol  
31
141,362.00 kJ/mol  
2
11th Energy Level
7,600.00 kJ/mol  
30
159,076.00 kJ/mol  
2
12th Energy Level
7,600.00 kJ/mol  
99+
4,950.00 kJ/mol  
99+
13th Energy Level
7,600.00 kJ/mol  
23
4,950.00 kJ/mol  
99+
14th Energy Level
7,600.00 kJ/mol  
20
495.80 kJ/mol  
99+
15th Energy Level
76,000.00 kJ/mol  
20
49,500.00 kJ/mol  
99+
16th Energy Level
76,000.00 kJ/mol  
15
49,500.00 kJ/mol  
99+
17th Energy Level
760.10 kJ/mol  
36
495.80 kJ/mol  
99+
18th Energy Level
7,600.00 kJ/mol  
26
4,960.00 kJ/mol  
99+
19th Energy Level
760.40 kJ/mol  
33
495.80 kJ/mol  
99+
20th Energy Level
760.00 kJ/mol  
27
496.00 kJ/mol  
99+
21st Energy Level
760.00 kJ/mol  
99+
495.80 kJ/mol  
99+
22nd Energy Level
760.00 kJ/mol  
21
495.00 kJ/mol  
99+
23rd Energy Level
760.00 kJ/mol  
99+
495.80 kJ/mol  
99+
24th Energy Level
760.00 kJ/mol  
18
495.80 kJ/mol  
99+
25th Energy Level
760.00 kJ/mol  
18
496.00 kJ/mol  
99+
26th Energy Level
760.00 kJ/mol  
18
495.80 kJ/mol  
99+
27th Energy Level
760.00 kJ/mol  
17
495.80 kJ/mol  
99+
28th Energy Level
760.00 kJ/mol  
23
495.80 kJ/mol  
99+
29th Energy Level
760.00 kJ/mol  
24
495.80 kJ/mol  
99+
30th Energy Level
760.00 kJ/mol  
18
495.80 kJ/mol  
99+
Electrochemical Equivalent
0.99 g/amp-hr  
99+
0.86 g/amp-hr  
99+
Electron Work Function
4.96 eV  
11
2.75 eV  
99+
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Solubility  
Chemical Stability, Corrosion, Flammability, Ionization, Solubility  
Atomic
Atomic Number
75  
99+
11  
99+
Electron Configuration
[Xe] 4f14 5d5 6s2  
[Ne] 3s1  
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
11  
99+
Number of Neutrons
111  
27
12  
99+
Number of Electrons
75  
40
11  
99+
Radius of an Atom
  
  
Atomic Radius
137.00 pm  
99+
186.00 pm  
11
Covalent Radius
151.00 pm  
36
166.00 pm  
29
Van der Waals Radius
200.00 pm  
35
227.00 pm  
26
Atomic Weight
186.21 amu  
36
22.99 amu  
99+
Atomic Volume
8.85 cm3/mol  
99+
23.70 cm3/mol  
14
Adjacent Atomic Numbers
  
  
Previous Element
Tungsten
  
Beryllium
  
Next Element
Osmium
  
Magnesium
  
Valence Electron Potential
180.00 (-eV)  
3
14.10 (-eV)  
99+
Lattice Constant
276.10 pm  
99+
429.06 pm  
22
Lattice Angles
π/2, π/2, 2 π/3  
π/2, π/2, π/2  
Lattice C/A Ratio
1.62  
17
1.01  
99+
Mechanical
Density
  
  
Density At Room Temperature
21.02 g/cm3  
12
0.97 g/cm3  
99+
Density When Liquid (at m.p.)
18.90 g/cm3  
14
0.93 g/cm3  
99+
Tensile Strength
1,070.00 MPa  
3
10.00 MPa  
99+
Viscosity
0.00  
25
0.00  
5
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
3.30 GPa  
99+
Bulk Modulus
370.00 GPa  
2
6.30 GPa  
99+
Young's Modulus
463.00 GPa  
2
10.00 GPa  
99+
Poisson Ratio
0.30  
14
0.37  
7
Other Mechanical Properties
Ductile, Malleable  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
21.02  
14
0.97  
99+
Magnetic Ordering
Paramagnetic  
Paramagnetic  
Permeability
0.00 H/m  
8
0.00 H/m  
6
Susceptibility
0.00  
26
0.00  
24
Electrical Properties
  
  
Electrical Property
Conductor  
Conductor  
Resistivity
193.00 nΩ·m  
20
47.70 nΩ·m  
99+
Electrical Conductivity
0.05 106/cm Ω  
38
0.21 106/cm Ω  
9
Electron Affinity
14.50 kJ/mol  
99+
52.80 kJ/mol  
24
Thermal
Specific Heat
0.13 J/(kg K)  
40
1.23 J/(kg K)  
3
Molar Heat Capacity
25.48 J/mol·K  
99+
28.23 J/mol·K  
13
Thermal Conductivity
48.00 W/m·K  
31
142.00 W/m·K  
11
Critical Temperature
3,459.00 K  
2
2,573.00 K  
10
Thermal Expansion
6.20 µm/(m·K)  
99+
71.00 µm/(m·K)  
4
Enthalpy
  
  
Enthalpy of Vaporization
707.10 kJ/mol  
4
89.04 kJ/mol  
99+
Enthalpy of Fusion
33.05 kJ/mol  
2
2.59 kJ/mol  
99+
Enthalpy of Atomization
791.00 kJ/mol  
2
108.40 kJ/mol  
99+
Standard Molar Entropy
36.90 J/mol.K  
99+
51.30 J/mol.K  
39
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