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Lutetium vs Plutonium

Lutetium
Plutonium
Plutonium vs Lutetium


Periodic Table
Symbol
Lu   
Pu   
Group Number
Not Available   
0   
18
Period Number
6   
7   
Block
f block   
f block   
Element Family
Lanthanide   
Actinide   
CAS Number
7439943   
99+
7440075   
99+
Space Group Name
P63/mmc   
P121/m1   
Space Group Number
194.00   
5
11.00   
13
Facts
Interesting Facts
  • Metal dust of Lutetium element is highly explosive.
  • Lutetium metal is corrosion resistance and acts stable in air.
  
  • 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
Georges Urbain and Carl Auer von Welsbach   
Glenn T. Seaborg, Arthur Wahl, Joseph W. Kennedy, Edwin McMillan   
Discovery
In 1906   
In Between 1940 1941   
Abundance
  
  
Abundance In Universe
1 * 10-8 %   
30
Not Available   
Abundance In Sun
~0.0000001 %   
26
~-9999 %   
Abundance In Meteorites
0.00 %   
99+
Not Available   
Abundance In Earth's Crust
0.00 %   
99+
Not Available   
Abundance In Oceans
0.00 %   
99+
Not Available   
Uses
Uses & Benefits
  • Lutetium metal is used outside research. It has commercial uses like Industrial catalyst for cracking oil refineries of hydrocarbons .
  
  • 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
NA   
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
1,652.00 °C   
19
639.50 °C   
99+
Boiling Point
3,402.00 °C   
19
3,235.00 °C   
24
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery White   
Silvery White   
Luster
Metallic   
NA   
Hardness
  
  
Brinell Hardness
893.00 MPa   
10
Not Available   
Vickers Hardness
1,160.00 MPa   
8
Not Available   
Speed of Sound
Not Available   
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
Lu   
Pu   
Isotopes
  
  
Known Isotopes
35   
4
20   
19
Electronegativity
  
  
Pauling Electronegativity
1.27   
34
1.28   
33
Allred Rochow Electronegativity
1.14   
28
1.22   
26
Electropositivity
  
  
Pauling Electropositivity
2.73   
20
2.72   
21
Ionization Energies
  
  
1st Energy Level
523.50 kJ/mol   
99+
584.70 kJ/mol   
99+
2nd Energy Level
1,340.00 kJ/mol   
99+
1,128.00 kJ/mol   
99+
3rd Energy Level
2,022.30 kJ/mol   
99+
2,084.00 kJ/mol   
99+
4th Energy Level
4,370.00 kJ/mol   
28
3,338.00 kJ/mol   
99+
5th Energy Level
6,445.00 kJ/mol   
21
Not Available   
Electrochemical Equivalent
2.18 g/amp-hr   
23
2.28 g/amp-hr   
22
Electron Work Function
3.30 eV   
33
Not Available   
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Corrosion, Ionization, Radioactive Isotopes, Radioactivity   
Atomic Properties
Atomic Number
71   
99+
94   
24
Electron Configuration
[Xe] 6s2 4f14 5d1   
[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
71   
99+
94   
24
Number of Neutrons
104   
30
150   
11
Number of Electrons
71   
99+
94   
24
Radius of an Atom
  
  
Atomic Radius
174.00 pm   
20
159.00 pm   
28
Covalent Radius
187.00 pm   
20
187.00 pm   
20
Van der Waals Radius
221.00 pm   
22
200.00 pm   
28
Atomic Weight
174.97 amu   
40
244.00 amu   
19
Atomic Volume
17.78 cm3/mol   
30
12.32 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Ytterbium
  
Neptunium
  
Next Element
Hafnium
  
Americium
  
Valence Electron Potential
50.90 (-eV)   
26
64.90 (-eV)   
21
Lattice Constant
350.31 pm   
99+
618.30 pm   
4
Lattice Angles
π/2, π/2, 2 π/3   
NA   
Lattice C/A Ratio
1.59   
10
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
9.84 g/cm3   
38
19.82 g/cm3   
13
Density When Liquid (at m.p.)
9.30 g/cm3   
22
16.63 g/cm3   
8
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)   
33
0.00 (Pa)   
26
Vapor Pressure at 2000 K
3.18 (Pa)   
11
2.20 (Pa)   
12
Elasticity properties
  
  
Shear Modulus
27.20 GPa   
26
43.00 GPa   
18
Bulk Modulus
47.60 GPa   
23
Not Available   
Young's Modulus
68.60 GPa   
30
96.00 GPa   
21
Poisson Ratio
0.26   
21
0.21   
32
Other Mechanical Properties
NA   
Ductile, Malleable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
9.84   
29
19.84   
7
Magnetic Ordering
Paramagnetic   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Conductor   
Poor Conductor   
Resistivity
582.00 nΩ·m   
9
1.46 nΩ·m   
99+
Electrical Conductivity
0.02 106/cm Ω   
99+
0.01 106/cm Ω   
99+
Electron Affinity
50.00 kJ/mol   
21
Not Available   
Thermal Properties
Specific Heat
0.15 J/(kg K)   
36
0.13 J/(kg K)   
39
Molar Heat Capacity
26.86 J/mol·K   
24
35.50 J/mol·K   
3
Thermal Conductivity
16.40 W/m·K   
99+
6.74 W/m·K   
99+
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
9.90 µm/(m·K)   
40
46.70 µm/(m·K)   
6
Enthalpy
  
  
Enthalpy of Vaporization
355.90 kJ/mol   
22
344.00 kJ/mol   
25
Enthalpy of Fusion
18.70 kJ/mol   
13
2.82 kJ/mol   
99+
Enthalpy of Atomization
398.00 kJ/mol   
20
360.00 kJ/mol   
26
Standard Molar Entropy
51.00 J/mol.K   
30
Not Available   
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