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Chemical Properties of Platinum and Gold

Platinum
Gold
Chemical Properties of Gold and Platinum


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