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Chemical Properties of Gold and Platinum

Gold
Platinum
Chemical Properties of Platinum and Gold


Chemical Properties
Chemical Formula
Au   
Pt   
Isotopes
  
  
Known Isotopes
36   
3
35   
4
Electronegativity
  
  
Pauling Electronegativity
2.54   
1
2.28   
3
Allred Rochow Electronegativity
1.42   
18
1.44   
17
Mulliken-Jaffe Electronegativity
1.87   
7
Not Available   
Allen Electronegativity
1.92   
5
1.72   
16
Electropositivity
  
  
Pauling Electropositivity
1.46   
99+
1.72   
99+
Ionization Energies
  
  
1st Energy Level
890.10 kJ/mol   
8
870.00 kJ/mol   
10
2nd Energy Level
1,980.00 kJ/mol   
12
1,791.00 kJ/mol   
21
Electrochemical Equivalent
2.45 g/amp-hr   
21
1.82 g/amp-hr   
35
Electron Work Function
5.10 eV   
4
5.65 eV   
1
Other Chemical Properties
Chemical Stability, Ionization, Solubility   
Chemical Stability, Anti Corrosion, Ionization   
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