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Chemical Properties of Lutetium and Thorium


Chemical Properties of Thorium and Lutetium


Chemical Properties

Chemical Formula
Lu   
Th   

Isotopes
  
  

Known Isotopes
35   
4
28   
11

Electronegativity
  
  

Pauling Electronegativity
1.27   
34
1.30   
32

Allred Rochow Electronegativity
1.14   
28
1.11   
29

Electropositivity
  
  

Pauling Electropositivity
2.73   
20
2.70   
22

Ionization Energies
  
  

1st Energy Level
523.50 kJ/mol   
99+
587.00 kJ/mol   
99+

2nd Energy Level
1,340.00 kJ/mol   
99+
1,110.00 kJ/mol   
99+

3rd Energy Level
2,022.30 kJ/mol   
99+
1,978.00 kJ/mol   
99+

4th Energy Level
4,370.00 kJ/mol   
28
2,780.00 kJ/mol   
99+

5th Energy Level
6,445.00 kJ/mol   
21
Not Available   

Electrochemical Equivalent
2.18 g/amp-hr   
23
2.16 g/amp-hr   
24

Electron Work Function
3.30 eV   
33
3.41 eV   
32

Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Corrosion, Ionization, Radioactive Isotopes, Radioactivity   

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