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Chemical Properties of Technetium and Tantalum
f
Technetium
Tantalum
Chemical Properties of Tantalum and Technetium
Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
Properties
All
Chemical Properties
Chemical Formula
Tc   
Ta   
Isotopes
  
  
Known Isotopes
18
  
21
31
  
8
Electronegativity
  
  
Pauling Electronegativity
1.90
  
11
1.50
  
27
Allred Rochow Electronegativity
1.36
  
20
1.33
  
22
Allen Electronegativity
1.51
  
28
1.34
  
33
Electropositivity
  
  
Pauling Electropositivity
2.10
  
99+
2.50
  
27
Ionization Energies
  
  
1st Energy Level
702.00 kJ/mol
  
36
761.00 kJ/mol
  
18
2nd Energy Level
1,470.00 kJ/mol
  
99+
1,500.00 kJ/mol
  
40
3rd Energy Level
2,850.00 kJ/mol   
33
Not Available   
Electrochemical Equivalent
0.52 g/amp-hr
  
99+
1.35 g/amp-hr
  
99+
Electron Work Function
Not Available   
4.25 eV   
21
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility   
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility   
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