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Chemical Properties of Tantalum and Platinum

Tantalum
Platinum
Chemical Properties of Platinum and Tantalum


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