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Chemical Properties of Lutetium and Iridium

Lutetium
Iridium
Chemical Properties of Iridium and Lutetium


Chemical Properties
Chemical Formula
Lu   
Ir   
Isotopes
  
  
Known Isotopes
35   
4
34   
5
Electronegativity
  
  
Pauling Electronegativity
1.27   
34
2.20   
4
Allred Rochow Electronegativity
1.14   
28
1.55   
11
Allen Electronegativity
Not Available   
1.68   
17
Electropositivity
  
  
Pauling Electropositivity
2.73   
20
1.80   
99+
Ionization Energies
  
  
1st Energy Level
523.50 kJ/mol   
99+
880.00 kJ/mol   
9
2nd Energy Level
1,340.00 kJ/mol   
99+
1,600.00 kJ/mol   
35
3rd Energy Level
2,022.30 kJ/mol   
99+
Not Available   
4th Energy Level
4,370.00 kJ/mol   
28
Not Available   
5th Energy Level
6,445.00 kJ/mol   
21
Not Available   
Electrochemical Equivalent
2.18 g/amp-hr   
23
1.14 g/amp-hr   
99+
Electron Work Function
3.30 eV   
33
4.55 eV   
13
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Flammable, Ionization, Radioactive Isotopes, Radioactivity   
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