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Chemical Properties of Hafnium and Gadolinium


Chemical Properties of Gadolinium and Hafnium


Chemical Properties

Chemical Formula
Hf   
Gd   

Isotopes
  
  

Known Isotopes
32   
7
26   
13

Electronegativity
  
  

Pauling Electronegativity
1.30   
32
1.20   
39

Allred Rochow Electronegativity
1.23   
25
1.11   
29

Allen Electronegativity
1.16   
37
Not Available   

Electropositivity
  
  

Pauling Electropositivity
2.70   
22
2.80   
15

Ionization Energies
  
  

1st Energy Level
658.50 kJ/mol   
40
593.40 kJ/mol   
99+

2nd Energy Level
1,440.00 kJ/mol   
99+
1,170.00 kJ/mol   
99+

3rd Energy Level
2,250.00 kJ/mol   
99+
1,990.00 kJ/mol   
99+

4th Energy Level
3,216.00 kJ/mol   
99+
4,250.00 kJ/mol   
30

Electrochemical Equivalent
1.66 g/amp-hr   
99+
1.96 g/amp-hr   
32

Electron Work Function
3.90 eV   
27
3.10 eV   
35

Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Corrosion, Flammable, Ionization, Radioactive Isotopes   

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