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Chemical Properties of Lead and Thallium

Lead
Thallium
Chemical Properties of Thallium and Lead


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