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Chemical Properties of Platinum and Iridium

Platinum
Iridium
Chemical Properties of Iridium and Platinum


Chemical Properties
Chemical Formula
Pt   
Ir   
Isotopes
  
  
Known Isotopes
35   
4
34   
5
Electronegativity
  
  
Pauling Electronegativity
2.28   
3
2.20   
4
Allred Rochow Electronegativity
1.44   
17
1.55   
11
Allen Electronegativity
1.72   
16
1.68   
17
Electropositivity
  
  
Pauling Electropositivity
1.72   
99+
1.80   
99+
Ionization Energies
  
  
1st Energy Level
870.00 kJ/mol   
10
880.00 kJ/mol   
9
2nd Energy Level
1,791.00 kJ/mol   
21
1,600.00 kJ/mol   
35
Electrochemical Equivalent
1.82 g/amp-hr   
35
1.14 g/amp-hr   
99+
Electron Work Function
5.65 eV   
1
4.55 eV   
13
Other Chemical Properties
Chemical Stability, Anti Corrosion, Ionization   
Flammable, Ionization, Radioactive Isotopes, Radioactivity   
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