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Chemical Properties of Thorium and Lead

Thorium
Lead
Chemical Properties of Lead and Thorium


Chemical Properties
Chemical Formula
Th   
Pb   
Isotopes
  
  
Known Isotopes
28   
11
35   
4
Electronegativity
  
  
Pauling Electronegativity
1.30   
32
1.87   
13
Sanderson Electronegativity
Not Available   
2.29   
4
Allred Rochow Electronegativity
1.11   
29
1.55   
11
Mulliken-Jaffe Electronegativity
Not Available   
2.41   
2
Allen Electronegativity
Not Available   
1.85   
8
Electropositivity
  
  
Pauling Electropositivity
2.70   
22
1.67   
99+
Ionization Energies
  
  
1st Energy Level
587.00 kJ/mol   
99+
715.60 kJ/mol   
31
2nd Energy Level
1,110.00 kJ/mol   
99+
1,450.50 kJ/mol   
99+
3rd Energy Level
1,978.00 kJ/mol   
99+
3,081.50 kJ/mol   
23
4th Energy Level
2,780.00 kJ/mol   
99+
4,083.00 kJ/mol   
35
5th Energy Level
Not Available   
6,640.00 kJ/mol   
20
Electrochemical Equivalent
2.16 g/amp-hr   
24
3.87 g/amp-hr   
9
Electron Work Function
3.41 eV   
32
4.25 eV   
21
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Radioactivity   
Anti Corrosion, Ionization, Radioactive Isotopes   
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