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Chemical Properties of Tantalum and Zirconium

Tantalum
Zirconium
Chemical Properties of Zirconium and Tantalum


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