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Chemical Properties of Samarium and Gadolinium

Samarium
Gadolinium
Chemical Properties of Gadolinium and Samarium


Chemical Properties
Chemical Formula
Sm   
Gd   
Isotopes
  
  
Known Isotopes
30   
9
26   
13
Electronegativity
  
  
Pauling Electronegativity
1.17   
40
1.20   
39
Allred Rochow Electronegativity
1.07   
32
1.11   
29
Electropositivity
  
  
Pauling Electropositivity
2.83   
14
2.80   
15
Ionization Energies
  
  
1st Energy Level
544.50 kJ/mol   
99+
593.40 kJ/mol   
99+
2nd Energy Level
1,070.00 kJ/mol   
99+
1,170.00 kJ/mol   
99+
3rd Energy Level
2,260.00 kJ/mol   
99+
1,990.00 kJ/mol   
99+
4th Energy Level
3,990.00 kJ/mol   
37
4,250.00 kJ/mol   
30
Electrochemical Equivalent
1.87 g/amp-hr   
34
1.96 g/amp-hr   
32
Electron Work Function
2.70 eV   
99+
3.10 eV   
35
Other Chemical Properties
Ionization, Radioactive Isotopes   
Corrosion, Flammable, Ionization, Radioactive Isotopes   
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