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Chemical Properties of Rhenium and Iridium

Rhenium
Iridium
Chemical Properties of Iridium and Rhenium


Chemical Properties
Chemical Formula
Re   
Ir   
Isotopes
  
  
Known Isotopes
33   
6
34   
5
Electronegativity
  
  
Pauling Electronegativity
1.90   
11
2.20   
4
Allred Rochow Electronegativity
1.46   
15
1.55   
11
Allen Electronegativity
1.60   
21
1.68   
17
Electropositivity
  
  
Pauling Electropositivity
2.10   
99+
1.80   
99+
Ionization Energies
  
  
1st Energy Level
760.00 kJ/mol   
20
880.00 kJ/mol   
9
2nd Energy Level
1,260.00 kJ/mol   
99+
1,600.00 kJ/mol   
35
3rd Energy Level
2,510.00 kJ/mol   
99+
Not Available   
4th Energy Level
3,640.00 kJ/mol   
99+
Not Available   
Electrochemical Equivalent
0.99 g/amp-hr   
99+
1.14 g/amp-hr   
99+
Electron Work Function
4.96 eV   
7
4.55 eV   
13
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Solubility   
Flammable, Ionization, Radioactive Isotopes, Radioactivity   
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