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Lutetium Meitnerium Comparison


Meitnerium Lutetium comparison


Periodic Table

Symbol
Lu  
Mt  

Group Number
3  
15
9  
9

Period Number
6  
7  

Block
f block  
d block  

Element Family
Lanthanide  
Probably Transition  

CAS Number
7439943  
99+
54038016  
10

Space Group Name
P63/mmc  
-  

Space Group Number
194.00  
7
166.00  
9

Facts

Interesting Facts
  • Metal dust of Lutetium element is highly explosive.
  • Lutetium metal is corrosion resistance and acts stable in air.
  
Meitnerium is named after Lise Meitner, an Austrian physicist.  

Sources
Found in Minerals, Mining, Ores of Minerals  
Bombarding Bi209 with Accelerated Nuclei of Fe58, Synthetically Produced  

History
  
  

Who Discovered
Georges Urbain and Carl Auer von Welsbach  
Gesellschaft für Schwerionenforschung  

Discovery
In 1906  
In 1982  

Abundance
  
  

Abundance In Universe
0.00 %  
31
0.00 %  
40

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
  • Lutetium metal is used outside research. It has commercial uses like Industrial catalyst for cracking oil refineries of hydrocarbons .
  
  • Currently known uses of Meitnerium metal are limited to research purpose only.
  

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  
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
-  

Boiling Point
3,402.00 °C  
20
0.00 °C  
99+

Appearance
  
  

Physical State
Solid  
Solid  

Color
Silvery White  
-  

Luster
Metallic  
Unknown Luster  

Hardness
  
  

Mohs Hardness
4.50  
10
-  

Brinell Hardness
893.00 MPa  
11
400.00 MPa  
34

Vickers Hardness
1,160.00 MPa  
14
350.00 MPa  
99+

Speed of Sound
5,200.00 m/s  
10
3,200.00 m/s  
35

Optical Properties
  
  

Refractive Index
1.90  
18
1.30  
99+

Reflectivity
60.00 %  
23
68.00 %  
15

Allotropes
No  
No  

α Allotropes
-  
-  

β Allotropes
-  
-  

γ Allotropes
-  
-  

Chemical

Chemical Formula
Lu  
Mt  

Isotopes
  
  

Known Isotopes
35  
4
4  
33

Electronegativity
  
  

Pauling Electronegativity
1.27  
35
1.30  
33

Sanderson Electronegativity
1.27  
27
1.90  
13

Allred Rochow Electronegativity
1.14  
29
1.30  
25

Mulliken-Jaffe Electronegativity
1.27  
34
1.30  
33

Allen Electronegativity
1.27  
99+
1.30  
40

Electropositivity
  
  

Pauling Electropositivity
2.73  
20
2.00  
99+

Ionization Energies
  
  

1st Energy Level
523.50 kJ/mol  
99+
800.80 kJ/mol  
15

2nd Energy Level
1,340.00 kJ/mol  
99+
1,823.60 kJ/mol  
18

3rd Energy Level
2,022.30 kJ/mol  
99+
2,904.20 kJ/mol  
31

4th Energy Level
4,370.00 kJ/mol  
38
3,859.40 kJ/mol  
99+

5th Energy Level
6,445.00 kJ/mol  
34
4,920.80 kJ/mol  
99+

6th Energy Level
5,230.00 kJ/mol  
99+
8,000.00 kJ/mol  
34

7th Energy level
5,230.00 kJ/mol  
99+
8,000.00 kJ/mol  
28

8th Energy Level
5,230.00 kJ/mol  
99+
8,000.00 kJ/mol  
28

9th Energy Level
5,230.00 kJ/mol  
99+
6,700.00 kJ/mol  
36

10th Energy Level
5,230.00 kJ/mol  
99+
5,800.00 kJ/mol  
99+

11th Energy Level
5,235.00 kJ/mol  
99+
6,300.00 kJ/mol  
99+

12th Energy Level
5,230.00 kJ/mol  
99+
0.00 kJ/mol  
99+

13th Energy Level
5,230.00 kJ/mol  
99+
8,000.00 kJ/mol  
20

14th Energy Level
5,230.00 kJ/mol  
99+
1,156.00 kJ/mol  
99+

15th Energy Level
52,300.00 kJ/mol  
99+
80,000.00 kJ/mol  
17

16th Energy Level
52,300.00 kJ/mol  
99+
58,700.00 kJ/mol  
39

17th Energy Level
523.50 kJ/mol  
99+
1,110.00 kJ/mol  
20

18th Energy Level
5,230.00 kJ/mol  
99+
8,000.00 kJ/mol  
23

19th Energy Level
523.50 kJ/mol  
99+
1,110.00 kJ/mol  
17

20th Energy Level
523.00 kJ/mol  
99+
850.00 kJ/mol  
18

21st Energy Level
523.50 kJ/mol  
99+
800.00 kJ/mol  
99+

22nd Energy Level
523.00 kJ/mol  
99+
380.00 kJ/mol  
99+

23rd Energy Level
5,230.00 kJ/mol  
28
8,000.00 kJ/mol  
9

24th Energy Level
523.50 kJ/mol  
99+
565.60 kJ/mol  
99+

25th Energy Level
523.00 kJ/mol  
99+
800.00 kJ/mol  
13

26th Energy Level
523.50 kJ/mol  
99+
800.00 kJ/mol  
13

27th Energy Level
523.50 kJ/mol  
99+
800.00 kJ/mol  
12

28th Energy Level
523.50 kJ/mol  
99+
800.00 kJ/mol  
18

29th Energy Level
523.50 kJ/mol  
99+
800.00 kJ/mol  
18

30th Energy Level
523.00 kJ/mol  
99+
800.00 kJ/mol  
13

Electrochemical Equivalent
2.18 g/amp-hr  
27
3.00 g/amp-hr  
21

Electron Work Function
3.30 eV  
99+
4.90 eV  
12

Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility  
Ionization, Radioactive Isotopes, Radioactivity  

Atomic

Atomic Number
71  
99+
109  
9

Electron Configuration
[Xe] 6s2 4f14 5d1  
[Rn] 5f14 6d7 7s2  

Crystal Structure
Hexagonal Close Packed (HCP)  
Face Centered Cubic (FCC)  

Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
FCC-Crystal-Structure-of-Meitnerium.jpg#100  

Atom
  
  

Number of Protons
71  
99+
109  
9

Number of Neutrons
104  
31
157  
8

Number of Electrons
71  
99+
109  
9

Radius of an Atom
  
  

Atomic Radius
174.00 pm  
22
122.00 pm  
99+

Covalent Radius
187.00 pm  
20
129.00 pm  
99+

Van der Waals Radius
221.00 pm  
27
260.00 pm  
9

Atomic Weight
174.97 amu  
40
278.00 amu  
7

Atomic Volume
17.78 cm3/mol  
99+
20.20 cm3/mol  
30

Adjacent Atomic Numbers
  
  

Previous Element
Ytterbium
  
Hassium
  

Next Element
Hafnium
  

Valence Electron Potential
50.90 (-eV)  
27
31.20 (-eV)  
99+

Lattice Constant
350.31 pm  
99+
0.00 pm  
99+

Lattice Angles
π/2, π/2, 2 π/3  
-  

Lattice C/A Ratio
1.59  
32
1.59  
27

Mechanical

Density
  
  

Density At Room Temperature
9.84 g/cm3  
99+
37.40 g/cm3  
2

Density When Liquid (at m.p.)
9.30 g/cm3  
99+
37.40 g/cm3  
2

Tensile Strength
230.00 MPa  
18
80.00 MPa  
29

Viscosity
0.00  
25
0.00  
25

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.00 (Pa)  
35
0.00 (Pa)  
37

Vapor Pressure at 2000 K
3.18 (Pa)  
11
0.00 (Pa)  
37

Elasticity properties
  
  

Shear Modulus
27.20 GPa  
33
35.00 GPa  
21

Bulk Modulus
47.60 GPa  
25
0.00 GPa  
99+

Young's Modulus
68.60 GPa  
32
13.50 GPa  
99+

Poisson Ratio
0.26  
21
0.25  
24

Other Mechanical Properties
-  
-  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
9.84  
99+
37.40  
4

Magnetic Ordering
Paramagnetic  
Paramagnetic  

Permeability
0.00 H/m  
9
0.00 H/m  
12

Susceptibility
0.00  
14
0.00  
24

Electrical Properties
  
  

Electrical Property
Conductor  
-  

Resistivity
582.00 nΩ·m  
9
0.35 nΩ·m  
99+

Electrical Conductivity
0.02 106/cm Ω  
99+
0.00 106/cm Ω  
99+

Electron Affinity
50.00 kJ/mol  
26
50.00 kJ/mol  
26

Thermal

Specific Heat
0.15 J/(kg K)  
37
0.10 J/(kg K)  
99+

Molar Heat Capacity
26.86 J/mol·K  
31
27.00 J/mol·K  
29

Thermal Conductivity
16.40 W/m·K  
99+
0.00 W/m·K  
99+

Critical Temperature
1,925.00 K  
23
1,323.00 K  
99+

Thermal Expansion
9.90 µm/(m·K)  
99+
10.30 µm/(m·K)  
99+

Enthalpy
  
  

Enthalpy of Vaporization
355.90 kJ/mol  
32
110.00 kJ/mol  
99+

Enthalpy of Fusion
18.70 kJ/mol  
13
-  

Enthalpy of Atomization
398.00 kJ/mol  
26
350.20 kJ/mol  
37

Standard Molar Entropy
51.00 J/mol.K  
99+
63.80 J/mol.K  
22

Summary >>
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