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Chemical Properties of Thallium and Indium


Chemical Properties of Indium and Thallium


Chemical Properties

Chemical Formula
Tl   
In   

Isotopes
  
  

Known Isotopes
32   
7
35   
4

Electronegativity
  
  

Pauling Electronegativity
1.62   
21
1.78   
16

Sanderson Electronegativity
2.25   
5
2.14   
8

Allred Rochow Electronegativity
1.44   
17
1.49   
13

Mulliken-Jaffe Electronegativity
1.96   
6
1.76   
10

Allen Electronegativity
1.79   
13
1.66   
18

Electropositivity
  
  

Pauling Electropositivity
2.38   
33
2.22   
38

Ionization Energies
  
  

1st Energy Level
589.40 kJ/mol   
99+
558.30 kJ/mol   
99+

2nd Energy Level
1,971.00 kJ/mol   
14
1,820.70 kJ/mol   
18

3rd Energy Level
2,878.00 kJ/mol   
32
2,704.00 kJ/mol   
39

4th Energy Level
Not Available   
5,210.00 kJ/mol   
17

Electrochemical Equivalent
7.63 g/amp-hr   
2
1.43 g/amp-hr   
99+

Electron Work Function
3.84 eV   
28
4.12 eV   
24

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

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