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Chemical Properties of Samarium and Fermium

Samarium
Fermium
Chemical Properties of Fermium and Samarium


Chemical Properties
Chemical Formula
Sm   
Fm   
Isotopes
  
  
Known Isotopes
30   
9
18   
21
Electronegativity
  
  
Pauling Electronegativity
1.17   
40
1.30   
32
Allred Rochow Electronegativity
1.07   
32
1.20   
27
Electropositivity
  
  
Pauling Electropositivity
2.83   
14
2.70   
22
Ionization Energies
  
  
1st Energy Level
544.50 kJ/mol   
99+
627.00 kJ/mol   
99+
2nd Energy Level
1,070.00 kJ/mol   
99+
1,225.00 kJ/mol   
99+
3rd Energy Level
2,260.00 kJ/mol   
99+
2,363.00 kJ/mol   
99+
4th Energy Level
3,990.00 kJ/mol   
37
3,792.00 kJ/mol   
99+
Electrochemical Equivalent
1.87 g/amp-hr   
34
3.20 g/amp-hr   
13
Electron Work Function
2.70 eV   
99+
Not Available   
Other Chemical Properties
Ionization, Radioactive Isotopes   
Ionization, Radioactive Isotopes, Radioactivity   
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