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Chemical Properties of Iridium and Thallium

Iridium
Thallium
Chemical Properties of Thallium and Iridium


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