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Chemical Properties of Thallium and Lead

Thallium
Lead
Chemical Properties of Lead and Thallium


Chemical Properties
Chemical Formula
Tl   
Pb   
Isotopes
  
  
Known Isotopes
32   
7
35   
4
Electronegativity
  
  
Pauling Electronegativity
1.62   
21
1.87   
13
Sanderson Electronegativity
2.25   
5
2.29   
4
Allred Rochow Electronegativity
1.44   
17
1.55   
11
Mulliken-Jaffe Electronegativity
1.96   
6
2.41   
2
Allen Electronegativity
1.79   
13
1.85   
8
Electropositivity
  
  
Pauling Electropositivity
2.38   
33
1.67   
99+
Ionization Energies
  
  
1st Energy Level
589.40 kJ/mol   
99+
715.60 kJ/mol   
31
2nd Energy Level
1,971.00 kJ/mol   
14
1,450.50 kJ/mol   
99+
3rd Energy Level
2,878.00 kJ/mol   
32
3,081.50 kJ/mol   
23
4th Energy Level
Not Available   
4,083.00 kJ/mol   
35
5th Energy Level
Not Available   
6,640.00 kJ/mol   
20
Electrochemical Equivalent
7.63 g/amp-hr   
2
3.87 g/amp-hr   
9
Electron Work Function
3.84 eV   
28
4.25 eV   
21
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Solubility   
Anti Corrosion, Ionization, Radioactive Isotopes   
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