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Rhenium vs Plutonium

Rhenium
Plutonium
Plutonium vs Rhenium


Periodic Table
Symbol
Re   
Pu   
Group Number
7   
11
0   
18
Period Number
6   
7   
Block
d block   
f block   
Element Family
Transition Metal   
Actinide   
CAS Number
7440155   
99+
7440075   
99+
Space Group Name
P63/mmc   
P121/m1   
Space Group Number
194.00   
5
11.00   
13
Facts
Interesting Facts
  • Chemical properties of Rhenium are similar to Manganese.
  • Rhenium metal is created while refining Molybdenum.
  
  • Plutonium metal if obtain from ores of uranium metal.
  • Plutonium metal is very sensitive to the change in atmospheric conditions like temperature and pressure.
  
Sources
Found in Minerals, Mining, Ores of Minerals   
Mining, Ores of metals   
History
  
  
Who Discovered
Masataka Ogawa   
Glenn T. Seaborg, Arthur Wahl, Joseph W. Kennedy, Edwin McMillan   
Discovery
In 1908   
In Between 1940 1941   
Abundance
  
  
Abundance In Universe
2 * 10-8 %   
29
Not Available   
Abundance In Sun
~0.00000001 %   
29
~-9999 %   
Abundance In Meteorites
0.00 %   
99+
Not Available   
Abundance In Earth's Crust
0.00 %   
99+
Not Available   
Abundance In Oceans
0.00 %   
34
Not Available   
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.
  
  • Plutonium was used in atomic bombs and still it is being used in various weapons and Ammunition industry.
  • It is also used in nuclear power plant as source of energy for space missions.
  
Industrial Uses
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry   
Aerospace Industry, Ammunition Industry   
Medical Uses
NA   
NA   
Other Uses
Alloys   
Alloys   
Biological Properties
  
  
Toxicity
Low Toxic   
Toxic   
Present in Human Body
No   
No   
In Blood
Not Available   
0.00 Blood/mg dm-3   
37
In Bone
Not Available   
0.00 p.p.m.   
36
Physical Properties
Melting Point
3,180.00 °C   
2
639.50 °C   
99+
Boiling Point
5,627.00 °C   
2
3,235.00 °C   
24
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery Gray   
Silvery White   
Luster
Metallic   
NA   
Hardness
  
  
Mohs Hardness
7.00   
3
Not Available   
Brinell Hardness
1,320.00 MPa   
8
Not Available   
Vickers Hardness
1,350.00 MPa   
7
Not Available   
Speed of Sound
4,700.00 m/s   
15
2,260.00 m/s   
99+
Optical Properties
  
  
Allotropes
No   
No   
α Allotropes
Not Available   
Not Available   
β Allotropes
Not Available   
Not Available   
γ Allotropes
Not Available   
Not Available   
Chemical Properties
Chemical Formula
Re   
Pu   
Isotopes
  
  
Known Isotopes
33   
6
20   
19
Electronegativity
  
  
Pauling Electronegativity
1.90   
11
1.28   
33
Allred Rochow Electronegativity
1.46   
15
1.22   
26
Allen Electronegativity
1.60   
21
Not Available   
Electropositivity
  
  
Pauling Electropositivity
2.10   
99+
2.72   
21
Ionization Energies
  
  
1st Energy Level
760.00 kJ/mol   
20
584.70 kJ/mol   
99+
2nd Energy Level
1,260.00 kJ/mol   
99+
1,128.00 kJ/mol   
99+
3rd Energy Level
2,510.00 kJ/mol   
99+
2,084.00 kJ/mol   
99+
4th Energy Level
3,640.00 kJ/mol   
99+
3,338.00 kJ/mol   
99+
Electrochemical Equivalent
0.99 g/amp-hr   
99+
2.28 g/amp-hr   
22
Electron Work Function
4.96 eV   
7
Not Available   
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Solubility   
Corrosion, Ionization, Radioactive Isotopes, Radioactivity   
Atomic Properties
Atomic Number
75   
99+
94   
24
Electron Configuration
[Xe] 4f14 5d5 6s2   
[Rn] 5f6 7s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Monoclinic (MON)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
MON-Crystal-Structure-of-Plutonium.jpg#100   
Atom
  
  
Number of Protons
75   
40
94   
24
Number of Neutrons
111   
26
150   
11
Number of Electrons
75   
40
94   
24
Radius of an Atom
  
  
Atomic Radius
137.00 pm   
40
159.00 pm   
28
Covalent Radius
151.00 pm   
34
187.00 pm   
20
Van der Waals Radius
200.00 pm   
28
200.00 pm   
28
Atomic Weight
186.21 amu   
36
244.00 amu   
19
Atomic Volume
8.85 cm3/mol   
99+
12.32 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Tungsten
  
Neptunium
  
Next Element
Osmium
  
Americium
  
Valence Electron Potential
180.00 (-eV)   
3
64.90 (-eV)   
21
Lattice Constant
276.10 pm   
99+
618.30 pm   
4
Lattice Angles
π/2, π/2, 2 π/3   
NA   
Lattice C/A Ratio
1.62   
3
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
21.02 g/cm3   
12
19.82 g/cm3   
13
Density When Liquid (at m.p.)
18.90 g/cm3   
4
16.63 g/cm3   
8
Tensile Strength
1,070.00 MPa   
3
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
Not Available   
0.00 (Pa)   
26
Vapor Pressure at 2000 K
0.00 (Pa)   
29
2.20 (Pa)   
12
Elasticity properties
  
  
Shear Modulus
178.00 GPa   
3
43.00 GPa   
18
Bulk Modulus
370.00 GPa   
2
Not Available   
Young's Modulus
463.00 GPa   
2
96.00 GPa   
21
Poisson Ratio
0.30   
14
0.21   
32
Other Mechanical Properties
Ductile, Malleable   
Ductile, Malleable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
21.02   
5
19.84   
7
Magnetic Ordering
Paramagnetic   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Conductor   
Poor Conductor   
Resistivity
193.00 nΩ·m   
20
1.46 nΩ·m   
99+
Electrical Conductivity
0.05 106/cm Ω   
33
0.01 106/cm Ω   
99+
Electron Affinity
14.50 kJ/mol   
35
Not Available   
Thermal Properties
Specific Heat
0.13 J/(kg K)   
39
0.13 J/(kg K)   
39
Molar Heat Capacity
25.48 J/mol·K   
38
35.50 J/mol·K   
3
Thermal Conductivity
48.00 W/m·K   
31
6.74 W/m·K   
99+
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
6.20 µm/(m·K)   
99+
46.70 µm/(m·K)   
6
Enthalpy
  
  
Enthalpy of Vaporization
707.10 kJ/mol   
3
344.00 kJ/mol   
25
Enthalpy of Fusion
33.05 kJ/mol   
2
2.82 kJ/mol   
99+
Enthalpy of Atomization
791.00 kJ/mol   
2
360.00 kJ/mol   
26
Standard Molar Entropy
36.90 J/mol.K   
99+
Not Available   
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