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Chemical Properties of Lutetium and Erbium

Lutetium
Erbium
Chemical Properties of Erbium and Lutetium


Chemical Properties
Chemical Formula
Lu   
Er   
Isotopes
  
  
Known Isotopes
35   
4
31   
8
Electronegativity
  
  
Pauling Electronegativity
1.27   
34
1.24   
36
Allred Rochow Electronegativity
1.14   
28
1.11   
29
Electropositivity
  
  
Pauling Electropositivity
2.73   
20
2.76   
18
Ionization Energies
  
  
1st Energy Level
523.50 kJ/mol   
99+
589.30 kJ/mol   
99+
2nd Energy Level
1,340.00 kJ/mol   
99+
1,150.00 kJ/mol   
99+
3rd Energy Level
2,022.30 kJ/mol   
99+
2,194.00 kJ/mol   
99+
4th Energy Level
4,370.00 kJ/mol   
28
4,120.00 kJ/mol   
33
5th Energy Level
6,445.00 kJ/mol   
21
Not Available   
Electrochemical Equivalent
2.18 g/amp-hr   
23
2.08 g/amp-hr   
28
Electron Work Function
3.30 eV   
33
Not Available   
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Ionization, Radioactive Isotopes, Solubility   
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