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Chemical Properties of Holmium and Thorium

Holmium
Thorium
Chemical Properties of Thorium and Holmium


Chemical Properties
Chemical Formula
Ho   
Th   
Isotopes
  
  
Known Isotopes
34   
5
28   
11
Electronegativity
  
  
Pauling Electronegativity
1.23   
37
1.30   
32
Allred Rochow Electronegativity
1.10   
30
1.11   
29
Electropositivity
  
  
Pauling Electropositivity
2.77   
17
2.70   
22
Ionization Energies
  
  
1st Energy Level
581.00 kJ/mol   
99+
587.00 kJ/mol   
99+
2nd Energy Level
1,140.00 kJ/mol   
99+
1,110.00 kJ/mol   
99+
3rd Energy Level
2,204.00 kJ/mol   
99+
1,978.00 kJ/mol   
99+
4th Energy Level
4,100.00 kJ/mol   
34
2,780.00 kJ/mol   
99+
Electrochemical Equivalent
2.02 g/amp-hr   
29
2.16 g/amp-hr   
24
Electron Work Function
Not Available   
3.41 eV   
32
Other Chemical Properties
Chemical Stability, Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Corrosion, Ionization, Radioactive Isotopes, Radioactivity   
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