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Chemical Properties of Berkelium and Hafnium

Berkelium
Hafnium
Chemical Properties of Hafnium and Berkelium


Chemical Properties
Chemical Formula
Bk   
Hf   
Isotopes
  
  
Known Isotopes
14   
25
32   
7
Electronegativity
  
  
Pauling Electronegativity
1.30   
32
1.30   
32
Allred Rochow Electronegativity
1.20   
27
1.23   
25
Allen Electronegativity
2.70   
1
1.16   
37
Electropositivity
  
  
Pauling Electropositivity
2.70   
22
2.70   
22
Ionization Energies
  
  
1st Energy Level
601.00 kJ/mol   
99+
658.50 kJ/mol   
40
2nd Energy Level
1,186.00 kJ/mol   
99+
1,440.00 kJ/mol   
99+
3rd Energy Level
2,152.00 kJ/mol   
99+
2,250.00 kJ/mol   
99+
4th Energy Level
3,434.00 kJ/mol   
99+
3,216.00 kJ/mol   
99+
Electrochemical Equivalent
3.07 g/amp-hr   
16
1.66 g/amp-hr   
99+
Electron Work Function
Not Available   
3.90 eV   
27
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
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