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Chemical Properties of Lead and Tantalum


Chemical Properties of Tantalum and Lead


Chemical Properties

Chemical Formula
Pb   
Ta   

Isotopes
  
  

Known Isotopes
35   
4
31   
8

Electronegativity
  
  

Pauling Electronegativity
1.87   
13
1.50   
27

Sanderson Electronegativity
2.29   
4
Not Available   

Allred Rochow Electronegativity
1.55   
11
1.33   
22

Mulliken-Jaffe Electronegativity
2.41   
2
Not Available   

Allen Electronegativity
1.85   
8
1.34   
33

Electropositivity
  
  

Pauling Electropositivity
1.67   
99+
2.50   
27

Ionization Energies
  
  

1st Energy Level
715.60 kJ/mol   
31
761.00 kJ/mol   
18

2nd Energy Level
1,450.50 kJ/mol   
99+
1,500.00 kJ/mol   
40

3rd Energy Level
3,081.50 kJ/mol   
23
Not Available   

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
1.35 g/amp-hr   
99+

Electron Work Function
4.25 eV   
21
4.25 eV   
21

Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes   
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility   

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