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Molybdenum Lutetium Comparison

Molybdenum
Lutetium
Lutetium Molybdenum comparison


Periodic Table
Symbol
Mo   
Lu   
Group Number
6   
12
Not Available   
Period Number
5   
6   
Block
d block   
f block   
Element Family
Transition Metal   
Lanthanide   
CAS Number
7439987   
99+
7439943   
99+
Space Group Name
Im_ 3m   
P63/mmc   
Space Group Number
229.00   
1
194.00   
5
Facts
Interesting Facts
  • Molybdenum is highly reactive metal, hence not found free in nature .
  • Till 18th century Molybdenum element were often mistaken as a carbon or Lead.
  
  • Metal dust of Lutetium element is highly explosive.
  • Lutetium metal is corrosion resistance and acts stable in air.
  
Sources
Found in Minerals, Mining, Ores of Minerals   
Found in Minerals, Mining, Ores of Minerals   
History
  
  
Who Discovered
Carl Wilhelm Scheele   
Georges Urbain and Carl Auer von Welsbach   
Discovery
In 1778   
In 1906   
Abundance
  
  
Abundance In Universe
5 * 10-7 %   
19
1 * 10-8 %   
30
Abundance In Sun
~0.0000009 %   
19
~0.0000001 %   
26
Abundance In Meteorites
0.00 %   
24
0.00 %   
99+
Abundance In Earth's Crust
0.00 %   
39
0.00 %   
99+
Abundance In Oceans
0.00 %   
9
0.00 %   
99+
Abundance In Humans
0.00 %   
14
Not Available   
Uses
Uses & Benefits
  • Its alloys are used to make engine parts, drills, saw blade, etc.
  • Lubricant additive made up of Molybdenum disulfide is commonly used in the industry. It is also used as a catalyst.
  
  • Lutetium metal is used outside research. It has commercial uses like Industrial catalyst for cracking oil refineries of hydrocarbons .
  
Industrial Uses
Aerospace Industry, Electrical Industry, Electronic Industry   
NA   
Medical Uses
NA   
NA   
Other Uses
Alloys   
Alloys   
Biological Properties
  
  
Toxicity
Toxic   
Low Toxic   
Present in Human Body
Yes   
No   
In Blood
0.00 Blood/mg dm-3   
31
Not Available   
In Bone
0.70 p.p.m.   
18
Not Available   
Physical Properties
Melting Point
2,617.00 °C   
5
1,652.00 °C   
19
Boiling Point
4,612.00 °C   
9
3,402.00 °C   
19
Appearance
  
  
Physical State
Solid   
Solid   
Color
Gray   
Silvery White   
Luster
Metallic   
Metallic   
Hardness
  
  
Mohs Hardness
5.50   
7
Not Available   
Brinell Hardness
1,370.00 MPa   
7
893.00 MPa   
10
Vickers Hardness
1,400.00 MPa   
6
1,160.00 MPa   
8
Speed of Sound
5,400.00 m/s   
6
Not Available   
Optical Properties
  
  
Reflectivity
58.00 %   
15
Not Available   
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
Mo   
Lu   
Isotopes
  
  
Known Isotopes
25   
14
35   
4
Electronegativity
  
  
Pauling Electronegativity
2.16   
5
1.27   
34
Sanderson Electronegativity
1.15   
19
Not Available   
Allred Rochow Electronegativity
1.30   
24
1.14   
28
Allen Electronegativity
2.16   
3
Not Available   
Electropositivity
  
  
Pauling Electropositivity
1.84   
99+
2.73   
20
Ionization Energies
  
  
1st Energy Level
684.30 kJ/mol   
37
523.50 kJ/mol   
99+
2nd Energy Level
1,560.00 kJ/mol   
37
1,340.00 kJ/mol   
99+
3rd Energy Level
2,618.00 kJ/mol   
99+
2,022.30 kJ/mol   
99+
4th Energy Level
4,480.00 kJ/mol   
26
4,370.00 kJ/mol   
28
5th Energy Level
5,257.00 kJ/mol   
32
6,445.00 kJ/mol   
21
6th Energy Level
6,640.80 kJ/mol   
22
Not Available   
7th Energy level
12,125.00 kJ/mol   
13
Not Available   
8th Energy Level
13,860.00 kJ/mol   
16
Not Available   
9th Energy Level
15,835.00 kJ/mol   
16
Not Available   
10th Energy Level
17,980.00 kJ/mol   
18
Not Available   
11th Energy Level
20,190.00 kJ/mol   
17
Not Available   
12th Energy Level
22,219.00 kJ/mol   
15
Not Available   
13th Energy Level
26,930.00 kJ/mol   
13
Not Available   
14th Energy Level
29,196.00 kJ/mol   
13
Not Available   
15th Energy Level
52,490.00 kJ/mol   
7
Not Available   
16th Energy Level
55,000.00 kJ/mol   
8
Not Available   
17th Energy Level
61,400.00 kJ/mol   
9
Not Available   
18th Energy Level
67,700.00 kJ/mol   
9
Not Available   
19th Energy Level
74,000.00 kJ/mol   
9
Not Available   
20th Energy Level
80,400.00 kJ/mol   
10
Not Available   
21st Energy Level
87,000.00 kJ/mol   
9
Not Available   
22nd Energy Level
93,400.00 kJ/mol   
7
Not Available   
23rd Energy Level
98,420.00 kJ/mol   
6
Not Available   
24th Energy Level
104,400.00 kJ/mol   
2
Not Available   
25th Energy Level
121,900.00 kJ/mol   
1
Not Available   
26th Energy Level
127,700.00 kJ/mol   
1
Not Available   
27th Energy Level
133,800.00 kJ/mol   
1
Not Available   
28th Energy Level
139,800.00 kJ/mol   
1
Not Available   
29th Energy Level
148,100.00 kJ/mol   
1
Not Available   
30th Energy Level
154,500.00 kJ/mol   
1
Not Available   
Electrochemical Equivalent
0.89 g/amp-hr   
99+
2.18 g/amp-hr   
23
Electron Work Function
4.60 eV   
12
3.30 eV   
33
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Atomic Properties
Atomic Number
42   
99+
71   
99+
Electron Configuration
[Kr] 4d5 5s1   
[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
42   
99+
71   
99+
Number of Neutrons
54   
99+
104   
30
Number of Electrons
42   
99+
71   
99+
Radius of an Atom
  
  
Atomic Radius
139.00 pm   
39
174.00 pm   
20
Covalent Radius
154.00 pm   
32
187.00 pm   
20
Van der Waals Radius
200.00 pm   
28
221.00 pm   
22
Atomic Weight
95.95 amu   
99+
174.97 amu   
40
Atomic Volume
9.40 cm3/mol   
99+
17.78 cm3/mol   
30
Adjacent Atomic Numbers
  
  
Previous Element
Niobium
  
Ytterbium
  
Next Element
Technetium
  
Hafnium
  
Valence Electron Potential
88.60 (-eV)   
13
50.90 (-eV)   
26
Lattice Constant
314.70 pm   
99+
350.31 pm   
99+
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.59   
10
Mechanical Properties
Density
  
  
Density At Room Temperature
10.28 g/cm3   
36
9.84 g/cm3   
38
Density When Liquid (at m.p.)
9.33 g/cm3   
20
9.30 g/cm3   
22
Tensile Strength
324.00 MPa   
13
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
Not Available   
0.00 (Pa)   
33
Vapor Pressure at 2000 K
0.00 (Pa)   
26
3.18 (Pa)   
11
Elasticity properties
  
  
Shear Modulus
126.00 GPa   
8
27.20 GPa   
26
Bulk Modulus
230.00 GPa   
6
47.60 GPa   
23
Young's Modulus
329.00 GPa   
6
68.60 GPa   
30
Poisson Ratio
0.31   
13
0.26   
21
Other Mechanical Properties
Ductile, Weldable   
NA   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
10.22   
27
9.84   
29
Magnetic Ordering
Paramagnetic   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Semiconductor   
Conductor   
Resistivity
53.40 nΩ·m   
99+
582.00 nΩ·m   
9
Electrical Conductivity
0.19 106/cm Ω   
11
0.02 106/cm Ω   
99+
Electron Affinity
71.90 kJ/mol   
14
50.00 kJ/mol   
21
Thermal Properties
Specific Heat
0.25 J/(kg K)   
21
0.15 J/(kg K)   
36
Molar Heat Capacity
24.06 J/mol·K   
99+
26.86 J/mol·K   
24
Thermal Conductivity
138.00 W/m·K   
12
16.40 W/m·K   
99+
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
4.80 µm/(m·K)   
99+
9.90 µm/(m·K)   
40
Enthalpy
  
  
Enthalpy of Vaporization
594.10 kJ/mol   
8
355.90 kJ/mol   
22
Enthalpy of Fusion
27.61 kJ/mol   
5
18.70 kJ/mol   
13
Enthalpy of Atomization
653.00 kJ/mol   
7
398.00 kJ/mol   
20
Standard Molar Entropy
28.70 J/mol.K   
99+
51.00 J/mol.K   
30
Summary >>
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