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Chemical Properties of Hafnium and Neodymium

Hafnium
Neodymium
Chemical Properties of Neodymium and Hafnium


Chemical Properties
Chemical Formula
Hf   
Nd   
Isotopes
  
  
Known Isotopes
32   
7
30   
9
Electronegativity
  
  
Pauling Electronegativity
1.30   
32
1.14   
99+
Allred Rochow Electronegativity
1.23   
25
1.07   
32
Allen Electronegativity
1.16   
37
Not Available   
Electropositivity
  
  
Pauling Electropositivity
2.70   
22
2.86   
13
Ionization Energies
  
  
1st Energy Level
658.50 kJ/mol   
40
533.10 kJ/mol   
99+
2nd Energy Level
1,440.00 kJ/mol   
99+
1,040.00 kJ/mol   
99+
3rd Energy Level
2,250.00 kJ/mol   
99+
2,130.00 kJ/mol   
99+
4th Energy Level
3,216.00 kJ/mol   
99+
3,900.00 kJ/mol   
99+
Electrochemical Equivalent
1.66 g/amp-hr   
99+
1.79 g/amp-hr   
37
Electron Work Function
3.90 eV   
27
3.20 eV   
34
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Chemical Stability, Corrosion, Flammable, Ionization   
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