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Chemical Properties of Terbium and Samarium

Terbium
Samarium
Chemical Properties of Samarium and Terbium


Chemical Properties
Chemical Formula
Tb   
Sm   
Isotopes
  
  
Known Isotopes
26   
13
30   
9
Electronegativity
  
  
Pauling Electronegativity
Not Available   
1.17   
40
Allred Rochow Electronegativity
1.10   
30
1.07   
32
Electropositivity
  
  
Pauling Electropositivity
Not Available   
2.83   
14
Ionization Energies
  
  
1st Energy Level
603.40 kJ/mol   
99+
544.50 kJ/mol   
99+
2nd Energy Level
1,174.80 kJ/mol   
99+
1,070.00 kJ/mol   
99+
3rd Energy Level
2,417.00 kJ/mol   
99+
2,260.00 kJ/mol   
99+
4th Energy Level
4,203.00 kJ/mol   
31
3,990.00 kJ/mol   
37
Electrochemical Equivalent
1.98 g/amp-hr   
31
1.87 g/amp-hr   
34
Electron Work Function
3.00 eV   
36
2.70 eV   
99+
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility   
Ionization, Radioactive Isotopes   
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