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Chemical Properties of Gadolinium and Samarium

Gadolinium
Samarium
Chemical Properties of Samarium and Gadolinium


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