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Chemical Properties of Lutetium and Samarium

Lutetium
Samarium
Chemical Properties of Samarium and Lutetium


Chemical Properties
Chemical Formula
Lu   
Sm   
Isotopes
  
  
Known Isotopes
35   
4
30   
9
Electronegativity
  
  
Pauling Electronegativity
1.27   
34
1.17   
40
Allred Rochow Electronegativity
1.14   
28
1.07   
32
Electropositivity
  
  
Pauling Electropositivity
2.73   
20
2.83   
14
Ionization Energies
  
  
1st Energy Level
523.50 kJ/mol   
99+
544.50 kJ/mol   
99+
2nd Energy Level
1,340.00 kJ/mol   
99+
1,070.00 kJ/mol   
99+
3rd Energy Level
2,022.30 kJ/mol   
99+
2,260.00 kJ/mol   
99+
4th Energy Level
4,370.00 kJ/mol   
28
3,990.00 kJ/mol   
37
5th Energy Level
6,445.00 kJ/mol   
21
Not Available   
Electrochemical Equivalent
2.18 g/amp-hr   
23
1.87 g/amp-hr   
34
Electron Work Function
3.30 eV   
33
2.70 eV   
99+
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Ionization, Radioactive Isotopes   
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