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Chemical Properties of Hafnium and Francium

Hafnium
Francium
Chemical Properties of Francium and Hafnium


Chemical Properties
Chemical Formula
Hf   
Fr   
Isotopes
  
  
Known Isotopes
32   
7
33   
6
Electronegativity
  
  
Pauling Electronegativity
1.30   
32
0.70   
99+
Allred Rochow Electronegativity
1.23   
25
0.86   
99+
Mulliken-Jaffe Electronegativity
Not Available   
0.68   
25
Allen Electronegativity
1.16   
37
0.67   
99+
Electropositivity
  
  
Pauling Electropositivity
2.70   
22
3.30   
1
Ionization Energies
  
  
1st Energy Level
658.50 kJ/mol   
40
380.00 kJ/mol   
99+
2nd Energy Level
1,440.00 kJ/mol   
99+
Not Available   
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+
8.32 g/amp-hr   
1
Electron Work Function
3.90 eV   
27
Not Available   
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Ionization, Radioactive Isotopes, Radioactivity, Solubility   
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