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Lu Element
Lutetium


Periodic Table
0
Symbol
Lu 0
Group Number
Not Available 0
Period Number
6 2
Block
f block 0
Element Family
Lanthanide 0
CAS Number
7439943 84
Space Group Name
P63/mmc 0
Space Group Number
194.00 5
Facts
0
Interesting Facts
  • Metal dust of Lutetium element is highly explosive.
  • Lutetium metal is corrosion resistance and acts stable in air.
0
Sources
Found in Minerals, Mining, Ores of Minerals 0
History
0
Who Discovered
Georges Urbain and Carl Auer von Welsbach 0
Discovery
In 1906 0
Abundance
0
Abundance In Universe
1 * 10-8 % 30
Abundance In Sun
~0.0000001 % 26
Abundance In Meteorites
0.00 % 48
Abundance In Earth's Crust
0.00 % 41
Abundance In Oceans
0.00 % 44
Abundance In Humans
Not Available 0
Uses
0
Uses & Benefits
  • Lutetium metal is used outside research. It has commercial uses like Industrial catalyst for cracking oil refineries of hydrocarbons .
0
Industrial Uses
NA 0
Medical Uses
NA 0
Other Uses
Alloys 0
Biological Properties
0
Toxicity
Low Toxic 0
Present in Human Body
No 0
In Blood
Not Available 0
In Bone
Not Available 0
Physical
0
Melting Point
1,652.00 °C 19
Boiling Point
3,402.00 °C 19
Appearance
0
Physical State
Solid 0
Color
Silvery White 0
Luster
Metallic 0
Hardness
0
Mohs Hardness
Not Available 0
Brinell Hardness
893.00 MPa 10
Vickers Hardness
1,160.00 MPa 8
Speed of Sound
Not Available 0
Optical Properties
0
Refractive Index
Not Available 0
Reflectivity
Not Available 0
Allotropes
No 0
α Allotropes
Not Available 0
β Allotropes
Not Available 0
γ Allotropes
Not Available 0
Chemical
0
Chemical Formula
Lu 0
Isotopes
0
Known Isotopes
35 4
Electronegativity
0
Pauling Electronegativity
1.27 34
Sanderson Electronegativity
Not Available 0
Allred Rochow Electronegativity
1.14 28
Mulliken-Jaffe Electronegativity
Not Available 0
Allen Electronegativity
Not Available 0
Electropositivity
0
Pauling Electropositivity
2.73 20
Ionization Energies
0
1st Energy Level
523.50 kJ/mol 79
2nd Energy Level
1,340.00 kJ/mol 51
3rd Energy Level
2,022.30 kJ/mol 73
4th Energy Level
4,370.00 kJ/mol 28
5th Energy Level
6,445.00 kJ/mol 21
6th Energy Level
Not Available 0
7th Energy level
Not Available 0
8th Energy Level
Not Available 0
9th Energy Level
Not Available 0
10th Energy Level
Not Available 0
11th Energy Level
Not Available 0
12th Energy Level
Not Available 0
13th Energy Level
Not Available 0
14th Energy Level
Not Available 0
15th Energy Level
Not Available 0
16th Energy Level
Not Available 0
17th Energy Level
Not Available 0
18th Energy Level
Not Available 0
19th Energy Level
Not Available 0
20th Energy Level
Not Available 0
21st Energy Level
Not Available 0
22nd Energy Level
Not Available 0
23rd Energy Level
Not Available 0
24th Energy Level
Not Available 0
25th Energy Level
Not Available 0
26th Energy Level
Not Available 0
27th Energy Level
Not Available 0
28th Energy Level
Not Available 0
29th Energy Level
Not Available 0
30th Energy Level
Not Available 0
Electrochemical Equivalent
2.18 g/amp-hr 23
Electron Work Function
3.30 eV 33
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility 0
Atomic
0
Atomic Number
71 45
Electron Configuration
[Xe] 6s2 4f14 5d1 0
Crystal Structure
Hexagonal Close Packed (HCP) 0
Crystal Lattice
BCC-Crystal-Structure-.jpg#100 0
Atom
0
Number of Protons
71 44
Number of Neutrons
104 30
Number of Electrons
71 44
Radius of an Atom
0
Atomic Radius
174.00 pm 20
Covalent Radius
187.00 pm 20
Van der Waals Radius
221.00 pm 22
Atomic Weight
174.97 amu 40
Atomic Volume
17.78 cm3/mol 30
Adjacent Atomic Numbers
0
Previous Element
76 0
Next Element
63 0
Valence Electron Potential
50.90 (-eV) 26
Lattice Constant
350.31 pm 43
Lattice Angles
π/2, π/2, 2 π/3 0
Lattice C/A Ratio
1.59 10
Mechanical
0
Density
0
Density At Room Temperature
9.84 g/cm3 38
Density When Liquid (at m.p.)
9.30 g/cm3 22
Tensile Strength
Not Available 0
Viscosity
Not Available 0
Vapor Pressure
0
Vapor Pressure at 1000 K
0.00 (Pa) 33
Vapor Pressure at 2000 K
3.18 (Pa) 11
Elasticity properties
0
Shear Modulus
27.20 GPa 26
Bulk Modulus
47.60 GPa 23
Young's Modulus
68.60 GPa 30
Poisson Ratio
0.26 21
Other Mechanical Properties
NA 0
Magnetic
0
Magnetic Characteristics
0
Specific Gravity
9.84 29
Magnetic Ordering
Paramagnetic 0
Permeability
Not Available 0
Susceptibility
Not Available 0
Electrical Properties
0
Electrical Property
Conductor 0
Resistivity
582.00 nΩ·m 9
Electrical Conductivity
0.02 106/cm Ω 45
Electron Affinity
50.00 kJ/mol 21
Thermal
0
Specific Heat
0.15 J/(kg K) 36
Molar Heat Capacity
26.86 J/mol·K 24
Thermal Conductivity
16.40 W/m·K 51
Critical Temperature
Not Available 0
Thermal Expansion
9.90 µm/(m·K) 40
Enthalpy
0
Enthalpy of Vaporization
355.90 kJ/mol 22
Enthalpy of Fusion
18.70 kJ/mol 13
Enthalpy of Atomization
398.00 kJ/mol 20
Standard Molar Entropy
51.00 J/mol.K 30
Summary >>
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