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Chemical Properties of Lutetium and Thallium

Lutetium
Thallium
Chemical Properties of Thallium and Lutetium


Chemical Properties
Chemical Formula
Lu   
Tl   
Isotopes
  
  
Known Isotopes
35   
4
32   
7
Electronegativity
  
  
Pauling Electronegativity
1.27   
34
1.62   
21
Sanderson Electronegativity
Not Available   
2.25   
5
Allred Rochow Electronegativity
1.14   
28
1.44   
17
Mulliken-Jaffe Electronegativity
Not Available   
1.96   
6
Allen Electronegativity
Not Available   
1.79   
13
Electropositivity
  
  
Pauling Electropositivity
2.73   
20
2.38   
33
Ionization Energies
  
  
1st Energy Level
523.50 kJ/mol   
99+
589.40 kJ/mol   
99+
2nd Energy Level
1,340.00 kJ/mol   
99+
1,971.00 kJ/mol   
14
3rd Energy Level
2,022.30 kJ/mol   
99+
2,878.00 kJ/mol   
32
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
7.63 g/amp-hr   
2
Electron Work Function
3.30 eV   
33
3.84 eV   
28
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Corrosion, Ionization, Radioactive Isotopes, Solubility   
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