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Chemical Properties of Thulium and Terbium

Thulium
Terbium
Chemical Properties of Terbium and Thulium


Chemical Properties
Chemical Formula
Tm   
Tb   
Isotopes
  
  
Known Isotopes
32   
7
26   
13
Electronegativity
  
  
Pauling Electronegativity
1.25   
35
Not Available   
Allred Rochow Electronegativity
1.11   
29
1.10   
30
Electropositivity
  
  
Pauling Electropositivity
2.75   
19
Not Available   
Ionization Energies
  
  
1st Energy Level
596.70 kJ/mol   
99+
603.40 kJ/mol   
99+
2nd Energy Level
1,160.00 kJ/mol   
99+
1,174.80 kJ/mol   
99+
3rd Energy Level
2,285.00 kJ/mol   
99+
2,417.00 kJ/mol   
99+
4th Energy Level
4,120.00 kJ/mol   
33
4,203.00 kJ/mol   
31
Electrochemical Equivalent
2.10 g/amp-hr   
26
1.98 g/amp-hr   
31
Electron Work Function
Not Available   
3.00 eV   
36
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility   
Ionization, Radioactive Isotopes, Solubility   
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