Chemical Properties of Erbium and Fermium
Chemical Formula
Er
  
Fm
  
Isotopes
  
  
Electronegativity
  
  
Pauling Electronegativity
Allred Rochow Electronegativity
Electropositivity
  
  
Pauling Electropositivity
Ionization Energies
  
  
1st Energy Level
589.30 kJ/mol
  
99+
627.00 kJ/mol
  
99+
2nd Energy Level
1,150.00 kJ/mol
  
99+
1,225.00 kJ/mol
  
99+
3rd Energy Level
2,194.00 kJ/mol
  
99+
2,363.00 kJ/mol
  
99+
4th Energy Level
4,120.00 kJ/mol
  
33
3,792.00 kJ/mol
  
99+
Electrochemical Equivalent
2.08 g/amp-hr
  
28
3.20 g/amp-hr
  
13
Electron Work Function
Not Available
  
Not Available
  
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility
  
Ionization, Radioactive Isotopes, Radioactivity