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Chemical Properties of Hafnium and Barium

Hafnium
Barium
Chemical Properties of Barium and Hafnium


Chemical Properties
Chemical Formula
Hf   
Ba   
Isotopes
  
  
Known Isotopes
32   
7
37   
2
Electronegativity
  
  
Pauling Electronegativity
1.30   
32
0.89   
99+
Sanderson Electronegativity
Not Available   
0.68   
28
Allred Rochow Electronegativity
1.23   
25
0.97   
38
Mulliken-Jaffe Electronegativity
Not Available   
0.88   
22
Allen Electronegativity
1.16   
37
0.88   
99+
Electropositivity
  
  
Pauling Electropositivity
2.70   
22
3.11   
4
Ionization Energies
  
  
1st Energy Level
658.50 kJ/mol   
40
502.90 kJ/mol   
99+
2nd Energy Level
1,440.00 kJ/mol   
99+
965.20 kJ/mol   
99+
3rd Energy Level
2,250.00 kJ/mol   
99+
3,600.00 kJ/mol   
14
4th Energy Level
3,216.00 kJ/mol   
99+
Not Available   
Electrochemical Equivalent
1.66 g/amp-hr   
99+
2.56 g/amp-hr   
20
Electron Work Function
3.90 eV   
27
2.70 eV   
99+
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Ionization, Radioactive Isotopes, Radioactivity, Solubility   
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