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Chemical Properties of Thorium and Europium

Thorium
Europium
Chemical Properties of Europium and Thorium


Chemical Properties
Chemical Formula
Th   
Eu   
Isotopes
  
  
Known Isotopes
28   
11
31   
8
Electronegativity
  
  
Pauling Electronegativity
1.30   
32
1.20   
39
Sanderson Electronegativity
Not Available   
1.01   
22
Allred Rochow Electronegativity
1.11   
29
Not Available   
Electropositivity
  
  
Pauling Electropositivity
2.70   
22
Not Available   
Ionization Energies
  
  
1st Energy Level
587.00 kJ/mol   
99+
547.10 kJ/mol   
99+
2nd Energy Level
1,110.00 kJ/mol   
99+
1,085.00 kJ/mol   
99+
3rd Energy Level
1,978.00 kJ/mol   
99+
2,404.00 kJ/mol   
99+
4th Energy Level
2,780.00 kJ/mol   
99+
4,120.00 kJ/mol   
33
Electrochemical Equivalent
2.16 g/amp-hr   
24
1.89 g/amp-hr   
33
Electron Work Function
3.41 eV   
32
2.50 eV   
99+
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Radioactivity   
Ionization, Radioactive Isotopes, Solubility   
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