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Chemical Properties of Iridium and Gold

Iridium
Gold
Chemical Properties of Gold and Iridium


Chemical Properties
Chemical Formula
Ir   
Au   
Isotopes
  
  
Known Isotopes
34   
5
36   
3
Electronegativity
  
  
Pauling Electronegativity
2.20   
4
2.54   
1
Allred Rochow Electronegativity
1.55   
11
1.42   
18
Mulliken-Jaffe Electronegativity
Not Available   
1.87   
7
Allen Electronegativity
1.68   
17
1.92   
5
Electropositivity
  
  
Pauling Electropositivity
1.80   
99+
1.46   
99+
Ionization Energies
  
  
1st Energy Level
880.00 kJ/mol   
9
890.10 kJ/mol   
8
2nd Energy Level
1,600.00 kJ/mol   
35
1,980.00 kJ/mol   
12
Electrochemical Equivalent
1.14 g/amp-hr   
99+
2.45 g/amp-hr   
21
Electron Work Function
4.55 eV   
13
5.10 eV   
4
Other Chemical Properties
Flammable, Ionization, Radioactive Isotopes, Radioactivity   
Chemical Stability, Ionization, Solubility   
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