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Chemical Properties of Ruthenium and Neptunium

Ruthenium
Neptunium
Chemical Properties of Neptunium and Ruthenium


Chemical Properties
Chemical Formula
Ru   
Np   
Isotopes
  
  
Known Isotopes
26   
13
20   
19
Electronegativity
  
  
Pauling Electronegativity
2.20   
4
1.36   
29
Allred Rochow Electronegativity
1.42   
18
1.22   
26
Allen Electronegativity
1.54   
25
Not Available   
Electropositivity
  
  
Pauling Electropositivity
1.80   
99+
2.64   
25
Ionization Energies
  
  
1st Energy Level
710.20 kJ/mol   
32
604.50 kJ/mol   
99+
2nd Energy Level
710.22 kJ/mol   
99+
1,128.00 kJ/mol   
99+
3rd Energy Level
2,747.00 kJ/mol   
37
1,997.00 kJ/mol   
99+
4th Energy Level
Not Available   
3,242.00 kJ/mol   
99+
Electrochemical Equivalent
1.26 g/amp-hr   
99+
1.77 g/amp-hr   
39
Electron Work Function
4.71 eV   
9
Not Available   
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Ionization, Radioactive Isotopes, Radioactivity, Solubility   
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