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Chemical Properties of Zirconium and Tantalum

Zirconium
Tantalum
Chemical Properties of Tantalum and Zirconium


Chemical Properties
Chemical Formula
Zr   
Ta   
Isotopes
  
  
Known Isotopes
24   
15
31   
8
Electronegativity
  
  
Pauling Electronegativity
1.33   
30
1.50   
27
Sanderson Electronegativity
0.90   
25
Not Available   
Allred Rochow Electronegativity
1.22   
26
1.33   
22
Allen Electronegativity
1.32   
34
1.34   
33
Electropositivity
  
  
Pauling Electropositivity
2.67   
24
2.50   
27
Ionization Energies
  
  
1st Energy Level
640.10 kJ/mol   
99+
761.00 kJ/mol   
18
2nd Energy Level
1,270.00 kJ/mol   
99+
1,500.00 kJ/mol   
40
3rd Energy Level
2,218.00 kJ/mol   
99+
Not Available   
4th Energy Level
3,313.00 kJ/mol   
99+
Not Available   
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+
1.35 g/amp-hr   
99+
Electron Work Function
4.05 eV   
26
4.25 eV   
21
Other Chemical Properties
Anti Corrosion, Flammable, Ionization, Radioactive Isotopes, Solubility   
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility   
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