Chemical Properties of Americium and Neptunium
Chemical Formula
Am
  
Np
  
Isotopes
  
  
Electronegativity
  
  
Pauling Electronegativity
Allred Rochow Electronegativity
Electropositivity
  
  
Pauling Electropositivity
Ionization Energies
  
  
1st Energy Level
578.00 kJ/mol
  
99+
604.50 kJ/mol
  
99+
2nd Energy Level
1,158.00 kJ/mol
  
99+
1,128.00 kJ/mol
  
99+
3rd Energy Level
2,132.00 kJ/mol
  
99+
1,997.00 kJ/mol
  
99+
4th Energy Level
3,493.00 kJ/mol
  
99+
3,242.00 kJ/mol
  
99+
Electrochemical Equivalent
3.02 g/amp-hr
  
17
1.77 g/amp-hr
  
39
Electron Work Function
Not Available
  
Not Available
  
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility
  
Ionization, Radioactive Isotopes, Radioactivity, Solubility