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Chemical Properties of Einsteinium and Europium

Einsteinium
Europium
Chemical Properties of Europium and Einsteinium


Chemical Properties
Chemical Formula
Es   
Eu   
Isotopes
  
  
Known Isotopes
16   
23
31   
8
Electronegativity
  
  
Pauling Electronegativity
1.54   
26
1.20   
39
Sanderson Electronegativity
Not Available   
1.01   
22
Allred Rochow Electronegativity
1.20   
27
Not Available   
Electropositivity
  
  
Pauling Electropositivity
2.70   
22
Not Available   
Ionization Energies
  
  
1st Energy Level
619.00 kJ/mol   
99+
547.10 kJ/mol   
99+
2nd Energy Level
1,216.00 kJ/mol   
99+
1,085.00 kJ/mol   
99+
3rd Energy Level
2,334.00 kJ/mol   
99+
2,404.00 kJ/mol   
99+
4th Energy Level
3,734.00 kJ/mol   
99+
4,120.00 kJ/mol   
33
Electrochemical Equivalent
4.74 g/amp-hr   
5
1.89 g/amp-hr   
33
Electron Work Function
Not Available   
2.50 eV   
99+
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Ionization, Radioactive Isotopes, Solubility   
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