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Chemical Properties of Plutonium and Neptunium


Chemical Properties of Neptunium and Plutonium


Chemical Properties

Chemical Formula
Pu   
Np   

Isotopes
  
  

Known Isotopes
20   
19
20   
19

Electronegativity
  
  

Pauling Electronegativity
1.28   
33
1.36   
29

Allred Rochow Electronegativity
1.22   
26
1.22   
26

Electropositivity
  
  

Pauling Electropositivity
2.72   
21
2.64   
25

Ionization Energies
  
  

1st Energy Level
584.70 kJ/mol   
99+
604.50 kJ/mol   
99+

2nd Energy Level
1,128.00 kJ/mol   
99+
1,128.00 kJ/mol   
99+

3rd Energy Level
2,084.00 kJ/mol   
99+
1,997.00 kJ/mol   
99+

4th Energy Level
3,338.00 kJ/mol   
99+
3,242.00 kJ/mol   
99+

Electrochemical Equivalent
2.28 g/amp-hr   
22
1.77 g/amp-hr   
39

Electron Work Function
Not Available   
Not Available   

Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Radioactivity   
Ionization, Radioactive Isotopes, Radioactivity, Solubility   

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