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Chemical Properties of Ruthenium and Iridium

Ruthenium
Iridium
Chemical Properties of Iridium and Ruthenium


Chemical Properties
Chemical Formula
Ru   
Ir   
Isotopes
  
  
Known Isotopes
26   
13
34   
5
Electronegativity
  
  
Pauling Electronegativity
2.20   
4
2.20   
4
Allred Rochow Electronegativity
1.42   
18
1.55   
11
Allen Electronegativity
1.54   
25
1.68   
17
Electropositivity
  
  
Pauling Electropositivity
1.80   
99+
1.80   
99+
Ionization Energies
  
  
1st Energy Level
710.20 kJ/mol   
32
880.00 kJ/mol   
9
2nd Energy Level
710.22 kJ/mol   
99+
1,600.00 kJ/mol   
35
3rd Energy Level
2,747.00 kJ/mol   
37
Not Available   
Electrochemical Equivalent
1.26 g/amp-hr   
99+
1.14 g/amp-hr   
99+
Electron Work Function
4.71 eV   
9
4.55 eV   
13
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Flammable, Ionization, Radioactive Isotopes, Radioactivity   
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