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Chemical Properties of Terbium and Hafnium

Terbium
Hafnium
Chemical Properties of Hafnium and Terbium


Chemical Properties
Chemical Formula
Tb   
Hf   
Isotopes
  
  
Known Isotopes
26   
13
32   
7
Electronegativity
  
  
Pauling Electronegativity
Not Available   
1.30   
32
Allred Rochow Electronegativity
1.10   
30
1.23   
25
Allen Electronegativity
Not Available   
1.16   
37
Electropositivity
  
  
Pauling Electropositivity
Not Available   
2.70   
22
Ionization Energies
  
  
1st Energy Level
603.40 kJ/mol   
99+
658.50 kJ/mol   
40
2nd Energy Level
1,174.80 kJ/mol   
99+
1,440.00 kJ/mol   
99+
3rd Energy Level
2,417.00 kJ/mol   
99+
2,250.00 kJ/mol   
99+
4th Energy Level
4,203.00 kJ/mol   
31
3,216.00 kJ/mol   
99+
Electrochemical Equivalent
1.98 g/amp-hr   
31
1.66 g/amp-hr   
99+
Electron Work Function
3.00 eV   
36
3.90 eV   
27
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility   
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
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