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Chemical Properties of Lawrencium and Hafnium

Lawrencium
Hafnium
Chemical Properties of Hafnium and Lawrencium


Chemical Properties
Chemical Formula
Lr   
Hf   
Isotopes
  
  
Known Isotopes
10   
28
32   
7
Electronegativity
  
  
Pauling Electronegativity
Not Available   
1.30   
32
Allred Rochow Electronegativity
Not Available   
1.23   
25
Allen Electronegativity
Not Available   
1.16   
37
Electropositivity
  
  
Pauling Electropositivity
Not Available   
2.70   
22
Ionization Energies
  
  
1st Energy Level
470.00 kJ/mol   
99+
658.50 kJ/mol   
40
2nd Energy Level
1,428.00 kJ/mol   
99+
1,440.00 kJ/mol   
99+
3rd Energy Level
2,228.00 kJ/mol   
99+
2,250.00 kJ/mol   
99+
4th Energy Level
4,910.00 kJ/mol   
21
3,216.00 kJ/mol   
99+
Electrochemical Equivalent
3.23 g/amp-hr   
11
1.66 g/amp-hr   
99+
Electron Work Function
Not Available   
3.90 eV   
27
Other Chemical Properties
Ionization, Radioactive Isotopes   
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
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