Chemical Properties of Promethium and Europium
Chemical Formula
Pm
  
Eu
  
Isotopes
  
  
Electronegativity
  
  
Pauling Electronegativity
Not Available
  
Sanderson Electronegativity
Not Available
  
Allred Rochow Electronegativity
Not Available
  
Electropositivity
  
  
Ionization Energies
  
  
1st Energy Level
540.00 kJ/mol
  
99+
547.10 kJ/mol
  
99+
2nd Energy Level
1,050.00 kJ/mol
  
99+
1,085.00 kJ/mol
  
99+
3rd Energy Level
2,150.00 kJ/mol
  
99+
2,404.00 kJ/mol
  
99+
4th Energy Level
3,970.00 kJ/mol
  
38
4,120.00 kJ/mol
  
33
Electrochemical Equivalent
1.80 g/amp-hr
  
36
1.89 g/amp-hr
  
33
Electron Work Function
Not Available
  
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility
  
Ionization, Radioactive Isotopes, Solubility