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Chemical Properties of Zirconium and Neptunium

Zirconium
Neptunium
Chemical Properties of Neptunium and Zirconium


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