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Chemical Properties of Platinum and Tantalum

Platinum
Tantalum
Chemical Properties of Tantalum and Platinum


Chemical Properties
Chemical Formula
Pt   
Ta   
Isotopes
  
  
Known Isotopes
35   
4
31   
8
Electronegativity
  
  
Pauling Electronegativity
2.28   
3
1.50   
27
Allred Rochow Electronegativity
1.44   
17
1.33   
22
Allen Electronegativity
1.72   
16
1.34   
33
Electropositivity
  
  
Pauling Electropositivity
1.72   
99+
2.50   
27
Ionization Energies
  
  
1st Energy Level
870.00 kJ/mol   
10
761.00 kJ/mol   
18
2nd Energy Level
1,791.00 kJ/mol   
21
1,500.00 kJ/mol   
40
Electrochemical Equivalent
1.82 g/amp-hr   
35
1.35 g/amp-hr   
99+
Electron Work Function
5.65 eV   
1
4.25 eV   
21
Other Chemical Properties
Chemical Stability, Anti Corrosion, Ionization   
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility   
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