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Chemical Properties of Hafnium and Platinum

Hafnium
Platinum
Chemical Properties of Platinum and Hafnium


Chemical Properties
Chemical Formula
Hf   
Pt   
Isotopes
  
  
Known Isotopes
32   
7
35   
4
Electronegativity
  
  
Pauling Electronegativity
1.30   
32
2.28   
3
Allred Rochow Electronegativity
1.23   
25
1.44   
17
Allen Electronegativity
1.16   
37
1.72   
16
Electropositivity
  
  
Pauling Electropositivity
2.70   
22
1.72   
99+
Ionization Energies
  
  
1st Energy Level
658.50 kJ/mol   
40
870.00 kJ/mol   
10
2nd Energy Level
1,440.00 kJ/mol   
99+
1,791.00 kJ/mol   
21
3rd Energy Level
2,250.00 kJ/mol   
99+
Not Available   
4th Energy Level
3,216.00 kJ/mol   
99+
Not Available   
Electrochemical Equivalent
1.66 g/amp-hr   
99+
1.82 g/amp-hr   
35
Electron Work Function
3.90 eV   
27
5.65 eV   
1
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Chemical Stability, Anti Corrosion, Ionization   
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