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Chemical Properties of Thorium and Holmium

Thorium
Holmium
Chemical Properties of Holmium and Thorium


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