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Chemical Properties of Rhodium and Iridium

Rhodium
Iridium
Chemical Properties of Iridium and Rhodium


Chemical Properties
Chemical Formula
Rh   
Ir   
Isotopes
  
  
Known Isotopes
16   
23
34   
5
Electronegativity
  
  
Pauling Electronegativity
2.28   
3
2.20   
4
Allred Rochow Electronegativity
1.45   
16
1.55   
11
Allen Electronegativity
1.56   
24
1.68   
17
Electropositivity
  
  
Pauling Electropositivity
1.72   
99+
1.80   
99+
Ionization Energies
  
  
1st Energy Level
719.70 kJ/mol   
29
880.00 kJ/mol   
9
2nd Energy Level
1,740.00 kJ/mol   
26
1,600.00 kJ/mol   
35
3rd Energy Level
2,997.00 kJ/mol   
27
Not Available   
Electrochemical Equivalent
1.28 g/amp-hr   
99+
1.14 g/amp-hr   
99+
Electron Work Function
4.98 eV   
6
4.55 eV   
13
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes   
Flammable, Ionization, Radioactive Isotopes, Radioactivity   
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