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Chemical Properties of Holmium and Cerium

Holmium
Cerium
Chemical Properties of Cerium and Holmium


Chemical Properties
Chemical Formula
Ho   
Ce   
Isotopes
  
  
Known Isotopes
34   
5
30   
9
Electronegativity
  
  
Pauling Electronegativity
1.23   
37
1.12   
99+
Allred Rochow Electronegativity
1.10   
30
1.08   
31
Electropositivity
  
  
Pauling Electropositivity
2.77   
17
2.88   
11
Ionization Energies
  
  
1st Energy Level
581.00 kJ/mol   
99+
534.40 kJ/mol   
99+
2nd Energy Level
1,140.00 kJ/mol   
99+
1,050.00 kJ/mol   
99+
3rd Energy Level
2,204.00 kJ/mol   
99+
1,949.00 kJ/mol   
99+
4th Energy Level
4,100.00 kJ/mol   
34
3,547.00 kJ/mol   
99+
5th Energy Level
Not Available   
6,325.00 kJ/mol   
22
6th Energy Level
Not Available   
7,490.00 kJ/mol   
21
Electrochemical Equivalent
2.02 g/amp-hr   
29
1.74 g/amp-hr   
99+
Electron Work Function
Not Available   
2.84 eV   
39
Other Chemical Properties
Chemical Stability, Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Chemical Stability, Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
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