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Chemical Properties of Samarium and Lutetium


Chemical Properties of Lutetium and Samarium


Chemical Properties

Chemical Formula
Sm   
Lu   

Isotopes
  
  

Known Isotopes
30   
9
35   
4

Electronegativity
  
  

Pauling Electronegativity
1.17   
40
1.27   
34

Allred Rochow Electronegativity
1.07   
32
1.14   
28

Electropositivity
  
  

Pauling Electropositivity
2.83   
14
2.73   
20

Ionization Energies
  
  

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

2nd Energy Level
1,070.00 kJ/mol   
99+
1,340.00 kJ/mol   
99+

3rd Energy Level
2,260.00 kJ/mol   
99+
2,022.30 kJ/mol   
99+

4th Energy Level
3,990.00 kJ/mol   
37
4,370.00 kJ/mol   
28

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

Electrochemical Equivalent
1.87 g/amp-hr   
34
2.18 g/amp-hr   
23

Electron Work Function
2.70 eV   
99+
3.30 eV   
33

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

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