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Chemical Properties of Thorium and Neodymium

Thorium
Neodymium
Chemical Properties of Neodymium and Thorium


Chemical Properties
Chemical Formula
Th   
Nd   
Isotopes
  
  
Known Isotopes
28   
11
30   
9
Electronegativity
  
  
Pauling Electronegativity
1.30   
32
1.14   
99+
Allred Rochow Electronegativity
1.11   
29
1.07   
32
Electropositivity
  
  
Pauling Electropositivity
2.70   
22
2.86   
13
Ionization Energies
  
  
1st Energy Level
587.00 kJ/mol   
99+
533.10 kJ/mol   
99+
2nd Energy Level
1,110.00 kJ/mol   
99+
1,040.00 kJ/mol   
99+
3rd Energy Level
1,978.00 kJ/mol   
99+
2,130.00 kJ/mol   
99+
4th Energy Level
2,780.00 kJ/mol   
99+
3,900.00 kJ/mol   
99+
Electrochemical Equivalent
2.16 g/amp-hr   
24
1.79 g/amp-hr   
37
Electron Work Function
3.41 eV   
32
3.20 eV   
34
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Radioactivity   
Chemical Stability, Corrosion, Flammable, Ionization   
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