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Chemical Properties of Hafnium and Gold

Hafnium
Gold
Chemical Properties of Gold and Hafnium


Chemical Properties
Chemical Formula
Hf   
Au   
Isotopes
  
  
Known Isotopes
32   
7
36   
3
Electronegativity
  
  
Pauling Electronegativity
1.30   
32
2.54   
1
Allred Rochow Electronegativity
1.23   
25
1.42   
18
Mulliken-Jaffe Electronegativity
Not Available   
1.87   
7
Allen Electronegativity
1.16   
37
1.92   
5
Electropositivity
  
  
Pauling Electropositivity
2.70   
22
1.46   
99+
Ionization Energies
  
  
1st Energy Level
658.50 kJ/mol   
40
890.10 kJ/mol   
8
2nd Energy Level
1,440.00 kJ/mol   
99+
1,980.00 kJ/mol   
12
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+
2.45 g/amp-hr   
21
Electron Work Function
3.90 eV   
27
5.10 eV   
4
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Chemical Stability, Ionization, Solubility   
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