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Chemical Properties of Europium and Terbium


Chemical Properties of Terbium and Europium


Chemical Properties

Chemical Formula
Eu   
Tb   

Isotopes
  
  

Known Isotopes
31   
8
26   
13

Electronegativity
  
  

Pauling Electronegativity
1.20   
39
Not Available   

Sanderson Electronegativity
1.01   
22
Not Available   

Allred Rochow Electronegativity
Not Available   
1.10   
30

Electropositivity
  
  

Ionization Energies
  
  

1st Energy Level
547.10 kJ/mol   
99+
603.40 kJ/mol   
99+

2nd Energy Level
1,085.00 kJ/mol   
99+
1,174.80 kJ/mol   
99+

3rd Energy Level
2,404.00 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
1.89 g/amp-hr   
33
1.98 g/amp-hr   
31

Electron Work Function
2.50 eV   
99+
3.00 eV   
36

Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility   
Ionization, Radioactive Isotopes, Solubility   

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