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Chemical Properties of Copernicium and Neptunium

Copernicium
Neptunium
Chemical Properties of Neptunium and Copernicium


Chemical Properties
Chemical Formula
Cn   
Np   
Isotopes
  
  
Known Isotopes
1   
34
20   
19
Electronegativity
  
  
Pauling Electronegativity
Not Available   
1.36   
29
Allred Rochow Electronegativity
Not Available   
1.22   
26
Electropositivity
  
  
Pauling Electropositivity
Not Available   
2.64   
25
Ionization Energies
  
  
1st Energy Level
1,154.90 kJ/mol   
2
604.50 kJ/mol   
99+
2nd Energy Level
2,170.00 kJ/mol   
9
1,128.00 kJ/mol   
99+
3rd Energy Level
4,245.40 kJ/mol   
9
1,997.00 kJ/mol   
99+
4th Energy Level
5,499.70 kJ/mol   
14
3,242.00 kJ/mol   
99+
Electrochemical Equivalent
Not Available   
1.77 g/amp-hr   
39
Electron Work Function
Not Available   
Not Available   
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Ionization, Radioactive Isotopes, Radioactivity, Solubility   
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