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Seaborgium vs Lutetium

Seaborgium
Lutetium
Lutetium vs Seaborgium


Periodic Table
Symbol
Sg  
Lu  
Group Number
6  
12
3  
15
Period Number
7  
6  
Block
d block  
f block  
Element Family
Transition Metal  
Lanthanide  
CAS Number
54038812  
9
7439943  
99+
Space Group Name
-  
P63/mmc  
Space Group Number
166.00  
9
194.00  
7
Facts
Interesting Facts
  • Seaborgium most stable isotope is Sg and it has 2.1 min of half- life.
  • And other isotopes of Seaborgium have half-lives as short as 3 ms.
  
  • Metal dust of Lutetium element is highly explosive.
  • Lutetium metal is corrosion resistance and acts stable in air.
  
Sources
Synthetically Produced  
Found in Minerals, Mining, Ores of Minerals  
History
  
  
Who Discovered
Lawrence Berkeley National Laboratory  
Georges Urbain and Carl Auer von Welsbach  
Discovery
In 1974  
In 1906  
Abundance
  
  
Abundance In Universe
0.00 %  
40
0.00 %  
31
Abundance In Sun
-  
0.00 %  
26
Abundance In Meteorites
-  
0.00 %  
99+
Abundance In Earth's Crust
-  
0.00 %  
99+
Abundance In Oceans
-  
0.00 %  
99+
Abundance In Humans
-  
0.00 %  
24
Uses
Uses & Benefits
  • Currently known uses of Seaborgium metal are limited to research purpose only.
  
  • Lutetium metal is used outside research. It has commercial uses like Industrial catalyst for cracking oil refineries of hydrocarbons .
  
Industrial Uses
-  
-  
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  
27
0.00 Blood/mg dm-3  
37
In Bone
0.00 p.p.m.  
99+
0.00 p.p.m.  
99+
Physical
Melting Point
-  
1,652.00 °C  
19
Boiling Point
0.00 °C  
99+
3,402.00 °C  
20
Appearance
  
  
Physical State
Solid  
Solid  
Color
-  
Silvery White  
Luster
Unknown Luster  
Metallic  
Hardness
  
  
Mohs Hardness
6.00  
6
4.50  
10
Brinell Hardness
400.00 MPa  
34
893.00 MPa  
11
Vickers Hardness
520.00 MPa  
33
1,160.00 MPa  
14
Speed of Sound
3,200.00 m/s  
35
5,200.00 m/s  
10
Optical Properties
  
  
Refractive Index
1.30  
99+
1.90  
18
Reflectivity
68.00 %  
15
60.00 %  
23
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Sg  
Lu  
Isotopes
  
  
Known Isotopes
9  
29
35  
4
Electronegativity
  
  
Pauling Electronegativity
0.00  
99+
1.27  
35
Sanderson Electronegativity
1.90  
13
1.27  
27
Allred Rochow Electronegativity
1.30  
25
1.14  
29
Mulliken-Jaffe Electronegativity
1.30  
33
1.27  
34
Allen Electronegativity
1.90  
8
1.27  
99+
Electropositivity
  
  
Pauling Electropositivity
2.20  
39
2.73  
20
Ionization Energies
  
  
1st Energy Level
757.40 kJ/mol  
21
523.50 kJ/mol  
99+
2nd Energy Level
1,732.90 kJ/mol  
29
1,340.00 kJ/mol  
99+
3rd Energy Level
2,483.50 kJ/mol  
99+
2,022.30 kJ/mol  
99+
4th Energy Level
3,415.60 kJ/mol  
99+
4,370.00 kJ/mol  
38
5th Energy Level
4,561.80 kJ/mol  
99+
6,445.00 kJ/mol  
34
6th Energy Level
5,715.80 kJ/mol  
99+
5,230.00 kJ/mol  
99+
7th Energy level
5,700.00 kJ/mol  
99+
5,230.00 kJ/mol  
99+
8th Energy Level
5,700.00 kJ/mol  
99+
5,230.00 kJ/mol  
99+
9th Energy Level
5,710.00 kJ/mol  
99+
5,230.00 kJ/mol  
99+
10th Energy Level
6,270.00 kJ/mol  
99+
5,230.00 kJ/mol  
99+
11th Energy Level
6,600.00 kJ/mol  
39
5,235.00 kJ/mol  
99+
12th Energy Level
971.00 kJ/mol  
99+
5,230.00 kJ/mol  
99+
13th Energy Level
5,700.00 kJ/mol  
99+
5,230.00 kJ/mol  
99+
14th Energy Level
5,700.00 kJ/mol  
99+
5,230.00 kJ/mol  
99+
15th Energy Level
54,000.00 kJ/mol  
99+
52,300.00 kJ/mol  
99+
16th Energy Level
64,000.00 kJ/mol  
27
52,300.00 kJ/mol  
99+
17th Energy Level
579.80 kJ/mol  
99+
523.50 kJ/mol  
99+
18th Energy Level
3,300.00 kJ/mol  
99+
5,230.00 kJ/mol  
99+
19th Energy Level
579.80 kJ/mol  
99+
523.50 kJ/mol  
99+
20th Energy Level
579.00 kJ/mol  
99+
523.00 kJ/mol  
99+
21st Energy Level
6,270.00 kJ/mol  
14
523.50 kJ/mol  
99+
22nd Energy Level
573.00 kJ/mol  
99+
523.00 kJ/mol  
99+
23rd Energy Level
5,790.00 kJ/mol  
22
5,230.00 kJ/mol  
28
24th Energy Level
971.00 kJ/mol  
4
523.50 kJ/mol  
99+
25th Energy Level
0.00 kJ/mol  
99+
523.00 kJ/mol  
99+
26th Energy Level
579.10 kJ/mol  
99+
523.50 kJ/mol  
99+
27th Energy Level
870.00 kJ/mol  
7
523.50 kJ/mol  
99+
28th Energy Level
870.00 kJ/mol  
10
523.50 kJ/mol  
99+
29th Energy Level
761.90 kJ/mol  
21
523.50 kJ/mol  
99+
30th Energy Level
0.00 kJ/mol  
99+
523.00 kJ/mol  
99+
Electrochemical Equivalent
3.20 g/amp-hr  
14
2.18 g/amp-hr  
27
Electron Work Function
6.00 eV  
1
3.30 eV  
99+
Other Chemical Properties
-  
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility  
Atomic
Atomic Number
106  
12
71  
99+
Electron Configuration
[Rn] 5f14 6d2 7s2  
[Xe] 6s2 4f14 5d1  
Crystal Structure
Body Centered Cubic (BCC)  
Hexagonal Close Packed (HCP)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
106  
12
71  
99+
Number of Neutrons
157  
8
104  
31
Number of Electrons
106  
12
71  
99+
Radius of an Atom
  
  
Atomic Radius
132.00 pm  
99+
174.00 pm  
22
Covalent Radius
143.00 pm  
99+
187.00 pm  
20
Van der Waals Radius
230.00 pm  
24
221.00 pm  
27
Atomic Weight
269.00 amu  
9
174.97 amu  
40
Atomic Volume
35.00 cm3/mol  
8
17.78 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Dubnium
  
Ytterbium
  
Next Element
Bohrium
  
Hafnium
  
Valence Electron Potential
6.10 (-eV)  
99+
50.90 (-eV)  
27
Lattice Constant
-  
350.31 pm  
99+
Lattice Angles
-  
π/2, π/2, 2 π/3  
Lattice C/A Ratio
1.36  
99+
1.59  
32
Mechanical
Density
  
  
Density At Room Temperature
35.00 g/cm3  
4
9.84 g/cm3  
99+
Density When Liquid (at m.p.)
35.00 g/cm3  
4
9.30 g/cm3  
99+
Tensile Strength
30.00 MPa  
99+
230.00 MPa  
18
Viscosity
0.00  
25
0.00  
25
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
35
Vapor Pressure at 2000 K
0.00 (Pa)  
99+
3.18 (Pa)  
11
Elasticity properties
  
  
Shear Modulus
30.00 GPa  
27
27.20 GPa  
33
Bulk Modulus
0.00 GPa  
99+
47.60 GPa  
25
Young's Modulus
12.60 GPa  
99+
68.60 GPa  
32
Poisson Ratio
0.25  
24
0.26  
21
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
35.00  
6
9.84  
99+
Magnetic Ordering
-  
Paramagnetic  
Permeability
0.00 H/m  
7
0.00 H/m  
9
Susceptibility
0.00  
24
0.00  
14
Electrical Properties
  
  
Electrical Property
-  
Conductor  
Resistivity
0.38 nΩ·m  
99+
582.00 nΩ·m  
9
Electrical Conductivity
0.00 106/cm Ω  
99+
0.02 106/cm Ω  
99+
Electron Affinity
50.00 kJ/mol  
26
50.00 kJ/mol  
26
Thermal
Specific Heat
0.27 J/(kg K)  
19
0.15 J/(kg K)  
37
Molar Heat Capacity
35.00 J/mol·K  
5
26.86 J/mol·K  
31
Thermal Conductivity
0.14 W/m·K  
99+
16.40 W/m·K  
99+
Critical Temperature
1,200.00 K  
99+
1,925.00 K  
23
Thermal Expansion
11.00 µm/(m·K)  
99+
9.90 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
585.00 kJ/mol  
10
355.90 kJ/mol  
32
Enthalpy of Fusion
-  
18.70 kJ/mol  
13
Enthalpy of Atomization
650.00 kJ/mol  
8
398.00 kJ/mol  
26
Standard Molar Entropy
42.70 J/mol.K  
99+
51.00 J/mol.K  
99+
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