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Chemical Properties of Samarium and Cerium

Samarium
Cerium
Chemical Properties of Cerium and Samarium


Chemical Properties
Chemical Formula
Sm   
Ce   
Isotopes
  
  
Known Isotopes
30   
9
30   
9
Electronegativity
  
  
Pauling Electronegativity
1.17   
40
1.12   
99+
Allred Rochow Electronegativity
1.07   
32
1.08   
31
Electropositivity
  
  
Pauling Electropositivity
2.83   
14
2.88   
11
Ionization Energies
  
  
1st Energy Level
544.50 kJ/mol   
99+
534.40 kJ/mol   
99+
2nd Energy Level
1,070.00 kJ/mol   
99+
1,050.00 kJ/mol   
99+
3rd Energy Level
2,260.00 kJ/mol   
99+
1,949.00 kJ/mol   
99+
4th Energy Level
3,990.00 kJ/mol   
37
3,547.00 kJ/mol   
99+
5th Energy Level
Not Available   
6,325.00 kJ/mol   
22
6th Energy Level
Not Available   
7,490.00 kJ/mol   
21
Electrochemical Equivalent
1.87 g/amp-hr   
34
1.74 g/amp-hr   
99+
Electron Work Function
2.70 eV   
99+
2.84 eV   
39
Other Chemical Properties
Ionization, Radioactive Isotopes   
Chemical Stability, Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
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