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Meitnerium vs Lutetium

Meitnerium
Lutetium
Lutetium vs Meitnerium


Periodic Table
Symbol
Mt  
Lu  
Group Number
9  
9
3  
15
Period Number
7  
6  
Block
d block  
f block  
Element Family
Probably Transition  
Lanthanide  
CAS Number
54038016  
10
7439943  
99+
Space Group Name
-  
P63/mmc  
Space Group Number
166.00  
9
194.00  
7
Facts
Interesting Facts
Meitnerium is named after Lise Meitner, an Austrian physicist.  
  • Metal dust of Lutetium element is highly explosive.
  • Lutetium metal is corrosion resistance and acts stable in air.
  
Sources
Bombarding Bi209 with Accelerated Nuclei of Fe58, Synthetically Produced  
Found in Minerals, Mining, Ores of Minerals  
History
  
  
Who Discovered
Gesellschaft für Schwerionenforschung  
Georges Urbain and Carl Auer von Welsbach  
Discovery
In 1982  
In 1906  
Abundance
  
  
Abundance In Universe
0.00 %  
40
0.00 %  
31
Abundance In Sun
-  
0.00 %  
26
Abundance In Meteorites
0.00 %  
99+
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 Meitnerium 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
-  
Alloys  
Biological Properties
  
  
Toxicity
-  
Low Toxic  
Present in Human Body
No  
No  
In Blood
0.00 Blood/mg dm-3  
40
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
-  
4.50  
10
Brinell Hardness
400.00 MPa  
34
893.00 MPa  
11
Vickers Hardness
350.00 MPa  
99+
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
Mt  
Lu  
Isotopes
  
  
Known Isotopes
4  
33
35  
4
Electronegativity
  
  
Pauling Electronegativity
1.30  
33
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
1.30  
40
1.27  
99+
Electropositivity
  
  
Pauling Electropositivity
2.00  
99+
2.73  
20
Ionization Energies
  
  
1st Energy Level
800.80 kJ/mol  
15
523.50 kJ/mol  
99+
2nd Energy Level
1,823.60 kJ/mol  
18
1,340.00 kJ/mol  
99+
3rd Energy Level
2,904.20 kJ/mol  
31
2,022.30 kJ/mol  
99+
4th Energy Level
3,859.40 kJ/mol  
99+
4,370.00 kJ/mol  
38
5th Energy Level
4,920.80 kJ/mol  
99+
6,445.00 kJ/mol  
34
6th Energy Level
8,000.00 kJ/mol  
34
5,230.00 kJ/mol  
99+
7th Energy level
8,000.00 kJ/mol  
28
5,230.00 kJ/mol  
99+
8th Energy Level
8,000.00 kJ/mol  
28
5,230.00 kJ/mol  
99+
9th Energy Level
6,700.00 kJ/mol  
36
5,230.00 kJ/mol  
99+
10th Energy Level
5,800.00 kJ/mol  
99+
5,230.00 kJ/mol  
99+
11th Energy Level
6,300.00 kJ/mol  
99+
5,235.00 kJ/mol  
99+
12th Energy Level
0.00 kJ/mol  
99+
5,230.00 kJ/mol  
99+
13th Energy Level
8,000.00 kJ/mol  
20
5,230.00 kJ/mol  
99+
14th Energy Level
1,156.00 kJ/mol  
99+
5,230.00 kJ/mol  
99+
15th Energy Level
80,000.00 kJ/mol  
17
52,300.00 kJ/mol  
99+
16th Energy Level
58,700.00 kJ/mol  
39
52,300.00 kJ/mol  
99+
17th Energy Level
1,110.00 kJ/mol  
20
523.50 kJ/mol  
99+
18th Energy Level
8,000.00 kJ/mol  
23
5,230.00 kJ/mol  
99+
19th Energy Level
1,110.00 kJ/mol  
17
523.50 kJ/mol  
99+
20th Energy Level
850.00 kJ/mol  
18
523.00 kJ/mol  
99+
21st Energy Level
800.00 kJ/mol  
99+
523.50 kJ/mol  
99+
22nd Energy Level
380.00 kJ/mol  
99+
523.00 kJ/mol  
99+
23rd Energy Level
8,000.00 kJ/mol  
9
5,230.00 kJ/mol  
28
24th Energy Level
565.60 kJ/mol  
99+
523.50 kJ/mol  
99+
25th Energy Level
800.00 kJ/mol  
13
523.00 kJ/mol  
99+
26th Energy Level
800.00 kJ/mol  
13
523.50 kJ/mol  
99+
27th Energy Level
800.00 kJ/mol  
12
523.50 kJ/mol  
99+
28th Energy Level
800.00 kJ/mol  
18
523.50 kJ/mol  
99+
29th Energy Level
800.00 kJ/mol  
18
523.50 kJ/mol  
99+
30th Energy Level
800.00 kJ/mol  
13
523.00 kJ/mol  
99+
Electrochemical Equivalent
3.00 g/amp-hr  
21
2.18 g/amp-hr  
27
Electron Work Function
4.90 eV  
12
3.30 eV  
99+
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility  
Atomic
Atomic Number
109  
9
71  
99+
Electron Configuration
[Rn] 5f14 6d7 7s2  
[Xe] 6s2 4f14 5d1  
Crystal Structure
Face Centered Cubic (FCC)  
Hexagonal Close Packed (HCP)  
Crystal Lattice
FCC-Crystal-Structure-of-Meitnerium.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
109  
9
71  
99+
Number of Neutrons
157  
8
104  
31
Number of Electrons
109  
9
71  
99+
Radius of an Atom
  
  
Atomic Radius
122.00 pm  
99+
174.00 pm  
22
Covalent Radius
129.00 pm  
99+
187.00 pm  
20
Van der Waals Radius
260.00 pm  
9
221.00 pm  
27
Atomic Weight
278.00 amu  
7
174.97 amu  
40
Atomic Volume
20.20 cm3/mol  
30
17.78 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Hassium
  
Ytterbium
  
Next Element
Darmstadtium
  
Hafnium
  
Valence Electron Potential
31.20 (-eV)  
99+
50.90 (-eV)  
27
Lattice Constant
0.00 pm  
99+
350.31 pm  
99+
Lattice Angles
-  
π/2, π/2, 2 π/3  
Lattice C/A Ratio
1.59  
27
1.59  
32
Mechanical
Density
  
  
Density At Room Temperature
37.40 g/cm3  
2
9.84 g/cm3  
99+
Density When Liquid (at m.p.)
37.40 g/cm3  
2
9.30 g/cm3  
99+
Tensile Strength
80.00 MPa  
29
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)  
37
3.18 (Pa)  
11
Elasticity properties
  
  
Shear Modulus
35.00 GPa  
21
27.20 GPa  
33
Bulk Modulus
0.00 GPa  
99+
47.60 GPa  
25
Young's Modulus
13.50 GPa  
99+
68.60 GPa  
32
Poisson Ratio
0.25  
24
0.26  
21
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
37.40  
4
9.84  
99+
Magnetic Ordering
Paramagnetic  
Paramagnetic  
Permeability
0.00 H/m  
12
0.00 H/m  
9
Susceptibility
0.00  
24
0.00  
14
Electrical Properties
  
  
Electrical Property
-  
Conductor  
Resistivity
0.35 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
0.10 J/(kg K)  
99+
0.15 J/(kg K)  
37
Molar Heat Capacity
27.00 J/mol·K  
29
26.86 J/mol·K  
31
Thermal Conductivity
0.00 W/m·K  
99+
16.40 W/m·K  
99+
Critical Temperature
1,323.00 K  
99+
1,925.00 K  
23
Thermal Expansion
10.30 µm/(m·K)  
99+
9.90 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
110.00 kJ/mol  
99+
355.90 kJ/mol  
32
Enthalpy of Fusion
-  
18.70 kJ/mol  
13
Enthalpy of Atomization
350.20 kJ/mol  
37
398.00 kJ/mol  
26
Standard Molar Entropy
63.80 J/mol.K  
22
51.00 J/mol.K  
99+
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