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Chemical Properties of Mendelevium and Hafnium

Mendelevium
Hafnium
Chemical Properties of Hafnium and Mendelevium


Chemical Properties
Chemical Formula
Md   
Hf   
Isotopes
  
  
Known Isotopes
16   
23
32   
7
Electronegativity
  
  
Pauling Electronegativity
1.30   
32
1.30   
32
Allred Rochow Electronegativity
1.20   
27
1.23   
25
Allen Electronegativity
Not Available   
1.16   
37
Electropositivity
  
  
Pauling Electropositivity
2.70   
22
2.70   
22
Ionization Energies
  
  
1st Energy Level
635.00 kJ/mol   
99+
658.50 kJ/mol   
40
2nd Energy Level
1,235.00 kJ/mol   
99+
1,440.00 kJ/mol   
99+
3rd Energy Level
2,470.00 kJ/mol   
99+
2,250.00 kJ/mol   
99+
4th Energy Level
3,840.00 kJ/mol   
99+
3,216.00 kJ/mol   
99+
Electrochemical Equivalent
3.21 g/amp-hr   
12
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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