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Chemical Properties of Thallium and Iridium

Thallium
Iridium
Chemical Properties of Iridium and Thallium


Chemical Properties
Chemical Formula
Tl   
Ir   
Isotopes
  
  
Known Isotopes
32   
7
34   
5
Electronegativity
  
  
Pauling Electronegativity
1.62   
21
2.20   
4
Sanderson Electronegativity
2.25   
5
Not Available   
Allred Rochow Electronegativity
1.44   
17
1.55   
11
Mulliken-Jaffe Electronegativity
1.96   
6
Not Available   
Allen Electronegativity
1.79   
13
1.68   
17
Electropositivity
  
  
Pauling Electropositivity
2.38   
33
1.80   
99+
Ionization Energies
  
  
1st Energy Level
589.40 kJ/mol   
99+
880.00 kJ/mol   
9
2nd Energy Level
1,971.00 kJ/mol   
14
1,600.00 kJ/mol   
35
3rd Energy Level
2,878.00 kJ/mol   
32
Not Available   
Electrochemical Equivalent
7.63 g/amp-hr   
2
1.14 g/amp-hr   
99+
Electron Work Function
3.84 eV   
28
4.55 eV   
13
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Solubility   
Flammable, Ionization, Radioactive Isotopes, Radioactivity   
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