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Chemical Properties of Terbium and Roentgenium

Terbium
Roentgenium
Chemical Properties of Roentgenium and Terbium


Chemical Properties
Chemical Formula
Tb   
Rg   
Isotopes
  
  
Known Isotopes
26   
13
1   
34
Electronegativity
  
  
Allred Rochow Electronegativity
1.10   
30
Not Available   
Electropositivity
  
  
Ionization Energies
  
  
1st Energy Level
603.40 kJ/mol   
99+
1,022.70 kJ/mol   
3
2nd Energy Level
1,174.80 kJ/mol   
99+
2,074.40 kJ/mol   
10
3rd Energy Level
2,417.00 kJ/mol   
99+
3,077.90 kJ/mol   
24
4th Energy Level
4,203.00 kJ/mol   
31
4,052.40 kJ/mol   
36
5th Energy Level
Not Available   
5,306.70 kJ/mol   
31
Electrochemical Equivalent
1.98 g/amp-hr   
31
Not Available   
Electron Work Function
3.00 eV   
36
Not Available   
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility   
NA   
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