Properties of Lutetium and Copper
Melting Point
1,652.00 °C
  
19
1,084.62 °C
  
40
Boiling Point
3,402.00 °C
  
19
2,562.00 °C
  
99+
Hardness
  
  
Mohs Hardness
Not Available
  
Vickers Hardness
1,160.00 MPa
  
8
Optical Properties
  
  
Refractive Index
Not Available
  
Not Available
  
Reflectivity
Not Available
  
Speed of Sound
Not Available
  
3,810.00 m/s
  
19
Allotropes
No
  
No
  
α Allotropes
Not Available
  
Not Available
  
β Allotropes
Not Available
  
Not Available
  
γ Allotropes
Not Available
  
Not Available
  
Chemical Formula
Lu
  
Cu
  
Isotopes
  
  
Electronegativity
  
  
Pauling Electronegativity
Sanderson Electronegativity
Not Available
  
Allred Rochow Electronegativity
Mulliken-Jaffe Electronegativity
Not Available
  
Allen Electronegativity
Not Available
  
Electropositivity
  
  
Pauling Electropositivity
Ionization Energies
  
  
1st Energy Level
523.50 kJ/mol
  
99+
745.50 kJ/mol
  
22
2nd Energy Level
1,340.00 kJ/mol
  
99+
1,957.90 kJ/mol
  
15
3rd Energy Level
2,022.30 kJ/mol
  
99+
3,555.00 kJ/mol
  
15
Electrochemical Equivalent
2.18 g/amp-hr
  
23
1.19 g/amp-hr
  
99+
Other Chemical Properties
Density
  
  
Density At Room Temperature
8.96 g/cm3
  
99+
Density When Liquid (at m.p.)
Vapor Pressure
  
  
Vapor Pressure at 2000 K
Not Available
  
Tensile Strength
Not Available
  
Not Available
  
Viscosity
Not Available
  
Not Available
  
Elasticity properties
  
  
Other Mechanical Properties
NA
  
Symbol
Lu
  
Cu
  
Group Number
Not Available
  
Period Number
6
  
4
  
Atomic Volume
17.78 cm3/mol
  
30
7.10 cm3/mol
  
99+
Electron Configuration
[Xe] 6s2 4f14 5d1
  
[Ar] 3d10 4s1
  
Valence Electron Potential
50.90 (-eV)
  
26
34.00 (-eV)
  
99+
Atom
  
  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100
  
FCC-Crystal-Structure-of-Copper.jpg#100
  
Radius of an Atom
  
  
Lattice Angles
π/2, π/2, 2 π/3
  
π/2, π/2, π/2
  
Lattice C/A Ratio
Not Available
  
Adjacent Atomic Numbers
  
  
Electrical Properties
  
  
Resistivity
16.78 nΩ·m
  
99+
Electrical Conductivity
0.02 106/cm Ω
  
99+
0.60 106/cm Ω
  
2
Electron Affinity
50.00 kJ/mol
  
21
222.80 kJ/mol
  
1
Magnetic Characteristics
  
  
Permeability
Not Available
  
1.256629 * 10
-6 H/m
  
5
Susceptibility
Not Available
  
-9.63 * 10
-6
  
4
Specific Heat
0.15 J/(kg K)
  
36
0.38 J/(kg K)
  
15
Thermal Conductivity
16.40 W/m·K
  
99+
401.00 W/m·K
  
2
Critical Temperature
Not Available
  
Not Available
  
Molar Heat Capacity
26.86 J/mol·K
  
24
24.44 J/mol·K
  
99+
Thermal Expansion
9.90 µm/(m·K)
  
40
16.50 µm/(m·K)
  
25
Standard Molar Entropy
51.00 J/mol.K
  
30
33.20 J/mol.K
  
99+
Enthalpy
  
  
Enthalpy of Vaporization
355.90 kJ/mol
  
22
283.70 kJ/mol
  
33
Enthalpy of Fusion
18.70 kJ/mol
  
13
7.11 kJ/mol
  
99+
Enthalpy of Atomization
398.00 kJ/mol
  
20
338.90 kJ/mol
  
29