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Chemical Properties of Ytterbium and Europium


Chemical Properties of Europium and Ytterbium


Chemical Properties

Chemical Formula
Yb   
Eu   

Isotopes
  
  

Known Isotopes
30   
9
31   
8

Electronegativity
  
  

Pauling Electronegativity
Not Available   
1.20   
39

Sanderson Electronegativity
Not Available   
1.01   
22

Allred Rochow Electronegativity
1.06   
33
Not Available   

Electropositivity
  
  

Ionization Energies
  
  

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

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

3rd Energy Level
2,417.00 kJ/mol   
99+
2,404.00 kJ/mol   
99+

4th Energy Level
4,203.00 kJ/mol   
31
4,120.00 kJ/mol   
33

Electrochemical Equivalent
2.15 g/amp-hr   
25
1.89 g/amp-hr   
33

Electron Work Function
Not Available   
2.50 eV   
99+

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

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