Chemical Properties of Lead and Neptunium
Chemical Formula
Pb
  
Np
  
Isotopes
  
  
Electronegativity
  
  
Pauling Electronegativity
Sanderson Electronegativity
Not Available
  
Allred Rochow Electronegativity
Mulliken-Jaffe Electronegativity
Not Available
  
Allen Electronegativity
Not Available
  
Electropositivity
  
  
Pauling Electropositivity
Ionization Energies
  
  
1st Energy Level
715.60 kJ/mol
  
31
604.50 kJ/mol
  
99+
2nd Energy Level
1,450.50 kJ/mol
  
99+
1,128.00 kJ/mol
  
99+
3rd Energy Level
3,081.50 kJ/mol
  
23
1,997.00 kJ/mol
  
99+
4th Energy Level
4,083.00 kJ/mol
  
35
3,242.00 kJ/mol
  
99+
5th Energy Level
6,640.00 kJ/mol
  
20
Not Available
  
Electrochemical Equivalent
3.87 g/amp-hr
  
9
1.77 g/amp-hr
  
39
Electron Work Function
Not Available
  
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes
  
Ionization, Radioactive Isotopes, Radioactivity, Solubility