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Chemical Properties of Palladium and Iridium

Palladium
Iridium
Chemical Properties of Iridium and Palladium


Chemical Properties
Chemical Formula
Pd   
Ir   
Isotopes
  
  
Known Isotopes
38   
1
34   
5
Electronegativity
  
  
Pauling Electronegativity
2.20   
4
2.20   
4
Allred Rochow Electronegativity
1.35   
21
1.55   
11
Allen Electronegativity
1.59   
22
1.68   
17
Electropositivity
  
  
Pauling Electropositivity
1.80   
99+
1.80   
99+
Ionization Energies
  
  
1st Energy Level
520.23 kJ/mol   
99+
880.00 kJ/mol   
9
2nd Energy Level
7,298.22 kJ/mol   
2
1,600.00 kJ/mol   
35
3rd Energy Level
11,815.13 kJ/mol   
3
Not Available   
Electrochemical Equivalent
1.99 g/amp-hr   
30
1.14 g/amp-hr   
99+
Electron Work Function
5.12 eV   
3
4.55 eV   
13
Other Chemical Properties
Chemical Stability, Corrosion, Ionization, Solubility   
Flammable, Ionization, Radioactive Isotopes, Radioactivity   
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