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Chemical Properties of Neptunium and Plutonium

Neptunium
Plutonium
Chemical Properties of Plutonium and Neptunium


Chemical Properties
Chemical Formula
Np   
Pu   
Isotopes
  
  
Known Isotopes
20   
19
20   
19
Electronegativity
  
  
Pauling Electronegativity
1.36   
29
1.28   
33
Allred Rochow Electronegativity
1.22   
26
1.22   
26
Electropositivity
  
  
Pauling Electropositivity
2.64   
25
2.72   
21
Ionization Energies
  
  
1st Energy Level
604.50 kJ/mol   
99+
584.70 kJ/mol   
99+
2nd Energy Level
1,128.00 kJ/mol   
99+
1,128.00 kJ/mol   
99+
3rd Energy Level
1,997.00 kJ/mol   
99+
2,084.00 kJ/mol   
99+
4th Energy Level
3,242.00 kJ/mol   
99+
3,338.00 kJ/mol   
99+
Electrochemical Equivalent
1.77 g/amp-hr   
39
2.28 g/amp-hr   
22
Electron Work Function
Not Available   
Not Available   
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility   
Corrosion, Ionization, Radioactive Isotopes, Radioactivity   
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