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Chemical Properties of Neptunium and Zirconium

Neptunium
Zirconium
Chemical Properties of Zirconium and Neptunium


Chemical Properties
Chemical Formula
Np   
Zr   
Isotopes
  
  
Known Isotopes
20   
19
24   
15
Electronegativity
  
  
Pauling Electronegativity
1.36   
29
1.33   
30
Sanderson Electronegativity
Not Available   
0.90   
25
Allred Rochow Electronegativity
1.22   
26
1.22   
26
Allen Electronegativity
Not Available   
1.32   
34
Electropositivity
  
  
Pauling Electropositivity
2.64   
25
2.67   
24
Ionization Energies
  
  
1st Energy Level
604.50 kJ/mol   
99+
640.10 kJ/mol   
99+
2nd Energy Level
1,128.00 kJ/mol   
99+
1,270.00 kJ/mol   
99+
3rd Energy Level
1,997.00 kJ/mol   
99+
2,218.00 kJ/mol   
99+
4th Energy Level
3,242.00 kJ/mol   
99+
3,313.00 kJ/mol   
99+
5th Energy Level
Not Available   
7,752.00 kJ/mol   
10
6th Energy Level
Not Available   
9,500.00 kJ/mol   
15
Electrochemical Equivalent
1.77 g/amp-hr   
39
0.85 g/amp-hr   
99+
Electron Work Function
Not Available   
4.05 eV   
26
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility   
Anti Corrosion, Flammable, Ionization, Radioactive Isotopes, Solubility   
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