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Chemical Properties of Technetium and Iridium

Technetium
Iridium
Chemical Properties of Iridium and Technetium


Chemical Properties
Chemical Formula
Tc   
Ir   
Isotopes
  
  
Known Isotopes
18   
21
34   
5
Electronegativity
  
  
Pauling Electronegativity
1.90   
11
2.20   
4
Allred Rochow Electronegativity
1.36   
20
1.55   
11
Allen Electronegativity
1.51   
28
1.68   
17
Electropositivity
  
  
Pauling Electropositivity
2.10   
99+
1.80   
99+
Ionization Energies
  
  
1st Energy Level
702.00 kJ/mol   
36
880.00 kJ/mol   
9
2nd Energy Level
1,470.00 kJ/mol   
99+
1,600.00 kJ/mol   
35
3rd Energy Level
2,850.00 kJ/mol   
33
Not Available   
Electrochemical Equivalent
0.52 g/amp-hr   
99+
1.14 g/amp-hr   
99+
Electron Work Function
Not Available   
4.55 eV   
13
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility   
Flammable, Ionization, Radioactive Isotopes, Radioactivity   
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