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Chemical Properties of Rutherfordium and Neptunium

Rutherfordium
Neptunium
Chemical Properties of Neptunium and Rutherfordium


Chemical Properties
Chemical Formula
Rf   
Np   
Isotopes
  
  
Known Isotopes
13   
26
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
579.90 kJ/mol   
99+
604.50 kJ/mol   
99+
2nd Energy Level
1,389.40 kJ/mol   
99+
1,128.00 kJ/mol   
99+
3rd Energy Level
2,296.40 kJ/mol   
99+
1,997.00 kJ/mol   
99+
4th Energy Level
3,077.90 kJ/mol   
99+
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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