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Lutetium vs Plutonium

Lutetium
Plutonium
Plutonium vs Lutetium


Periodic Table
Symbol
Lu  
Pu  
Group Number
3  
15
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  
7
11.00  
16
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
0.00 %  
31
0.00 %  
40
Abundance In Sun
0.00 %  
26
0.00 %  
21
Abundance In Meteorites
0.00 %  
99+
-  
Abundance In Earth's Crust
0.00 %  
99+
0.00 %  
99+
Abundance In Oceans
0.00 %  
99+
-  
Abundance In Humans
0.00 %  
24
0.00 %  
24
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
-  
Aerospace Industry, Ammunition Industry  
Medical Uses
-  
-  
Other Uses
Alloys  
Alloys  
Biological Properties
  
  
Toxicity
Low Toxic  
Toxic  
Present in Human Body
No  
No  
In Blood
0.00 Blood/mg dm-3  
37
0.00 Blood/mg dm-3  
40
In Bone
0.00 p.p.m.  
99+
0.00 p.p.m.  
99+
Physical
Melting Point
1,652.00 °C  
19
639.50 °C  
99+
Boiling Point
3,402.00 °C  
20
3,235.00 °C  
25
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery White  
Silvery White  
Luster
Metallic  
-  
Hardness
  
  
Mohs Hardness
4.50  
10
4.00  
11
Brinell Hardness
893.00 MPa  
11
627.00 MPa  
22
Vickers Hardness
1,160.00 MPa  
14
617.00 MPa  
26
Speed of Sound
5,200.00 m/s  
10
2,260.00 m/s  
99+
Optical Properties
  
  
Refractive Index
1.90  
18
1.90  
18
Reflectivity
60.00 %  
23
68.00 %  
15
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Lu  
Pu  
Isotopes
  
  
Known Isotopes
35  
4
20  
19
Electronegativity
  
  
Pauling Electronegativity
1.27  
35
1.28  
34
Sanderson Electronegativity
1.27  
27
1.28  
26
Allred Rochow Electronegativity
1.14  
29
1.22  
27
Mulliken-Jaffe Electronegativity
1.27  
34
1.30  
33
Allen Electronegativity
1.27  
99+
1.28  
99+
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  
38
3,338.00 kJ/mol  
99+
5th Energy Level
6,445.00 kJ/mol  
34
5,847.00 kJ/mol  
99+
6th Energy Level
5,230.00 kJ/mol  
99+
5,847.00 kJ/mol  
99+
7th Energy level
5,230.00 kJ/mol  
99+
5,840.00 kJ/mol  
99+
8th Energy Level
5,230.00 kJ/mol  
99+
5,840.00 kJ/mol  
99+
9th Energy Level
5,230.00 kJ/mol  
99+
5,840.00 kJ/mol  
99+
10th Energy Level
5,230.00 kJ/mol  
99+
5,840.00 kJ/mol  
99+
11th Energy Level
5,235.00 kJ/mol  
99+
5,840.00 kJ/mol  
99+
12th Energy Level
5,230.00 kJ/mol  
99+
58,400.00 kJ/mol  
18
13th Energy Level
5,230.00 kJ/mol  
99+
5,840.00 kJ/mol  
99+
14th Energy Level
5,230.00 kJ/mol  
99+
5,840.00 kJ/mol  
39
15th Energy Level
52,300.00 kJ/mol  
99+
58,400.00 kJ/mol  
99+
16th Energy Level
52,300.00 kJ/mol  
99+
58,400.00 kJ/mol  
40
17th Energy Level
523.50 kJ/mol  
99+
584.70 kJ/mol  
99+
18th Energy Level
5,230.00 kJ/mol  
99+
5,840.00 kJ/mol  
99+
19th Energy Level
523.50 kJ/mol  
99+
584.70 kJ/mol  
99+
20th Energy Level
523.00 kJ/mol  
99+
584.00 kJ/mol  
99+
21st Energy Level
523.50 kJ/mol  
99+
584.70 kJ/mol  
99+
22nd Energy Level
523.00 kJ/mol  
99+
584.00 kJ/mol  
99+
23rd Energy Level
5,230.00 kJ/mol  
28
584.70 kJ/mol  
99+
24th Energy Level
523.50 kJ/mol  
99+
584.70 kJ/mol  
99+
25th Energy Level
523.00 kJ/mol  
99+
584.70 kJ/mol  
99+
26th Energy Level
523.50 kJ/mol  
99+
584.70 kJ/mol  
99+
27th Energy Level
523.50 kJ/mol  
99+
584.70 kJ/mol  
99+
28th Energy Level
523.50 kJ/mol  
99+
584.70 kJ/mol  
99+
29th Energy Level
523.50 kJ/mol  
99+
584.70 kJ/mol  
99+
30th Energy Level
523.00 kJ/mol  
99+
584.00 kJ/mol  
99+
Electrochemical Equivalent
2.18 g/amp-hr  
27
2.28 g/amp-hr  
26
Electron Work Function
3.30 eV  
99+
3.88 eV  
38
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility  
Corrosion, Ionization, Radioactive Isotopes, Radioactivity  
Atomic
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  
31
150  
12
Number of Electrons
71  
99+
94  
24
Radius of an Atom
  
  
Atomic Radius
174.00 pm  
22
159.00 pm  
30
Covalent Radius
187.00 pm  
20
187.00 pm  
20
Van der Waals Radius
221.00 pm  
27
200.00 pm  
35
Atomic Weight
174.97 amu  
40
244.00 amu  
19
Atomic Volume
17.78 cm3/mol  
99+
12.32 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Ytterbium
  
Neptunium
  
Next Element
Hafnium
  
Americium
  
Valence Electron Potential
50.90 (-eV)  
27
64.90 (-eV)  
21
Lattice Constant
350.31 pm  
99+
618.30 pm  
4
Lattice Angles
π/2, π/2, 2 π/3  
-  
Lattice C/A Ratio
1.59  
32
1.74  
6
Mechanical
Density
  
  
Density At Room Temperature
9.84 g/cm3  
99+
19.82 g/cm3  
13
Density When Liquid (at m.p.)
9.30 g/cm3  
99+
16.63 g/cm3  
18
Tensile Strength
230.00 MPa  
18
40.00 MPa  
99+
Viscosity
0.00  
25
0.00  
25
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
35
0.00 (Pa)  
28
Vapor Pressure at 2000 K
3.18 (Pa)  
11
2.20 (Pa)  
12
Elasticity properties
  
  
Shear Modulus
27.20 GPa  
33
43.00 GPa  
18
Bulk Modulus
47.60 GPa  
25
100.00 GPa  
16
Young's Modulus
68.60 GPa  
32
96.00 GPa  
23
Poisson Ratio
0.26  
21
0.21  
33
Other Mechanical Properties
-  
Ductile, Malleable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
9.84  
99+
19.84  
16
Magnetic Ordering
Paramagnetic  
Paramagnetic  
Permeability
0.00 H/m  
9
0.00 H/m  
16
Susceptibility
0.00  
14
0.00  
21
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  
26
0.60 kJ/mol  
99+
Thermal
Specific Heat
0.15 J/(kg K)  
37
0.13 J/(kg K)  
40
Molar Heat Capacity
26.86 J/mol·K  
31
35.50 J/mol·K  
4
Thermal Conductivity
16.40 W/m·K  
99+
6.74 W/m·K  
99+
Critical Temperature
1,925.00 K  
23
913.00 K  
99+
Thermal Expansion
9.90 µm/(m·K)  
99+
46.70 µm/(m·K)  
6
Enthalpy
  
  
Enthalpy of Vaporization
355.90 kJ/mol  
32
344.00 kJ/mol  
36
Enthalpy of Fusion
18.70 kJ/mol  
13
2.82 kJ/mol  
99+
Enthalpy of Atomization
398.00 kJ/mol  
26
360.00 kJ/mol  
35
Standard Molar Entropy
51.00 J/mol.K  
99+
37.10 J/mol.K  
99+
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