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Chemical Properties of Iridium and Polonium

Iridium
Polonium
Chemical Properties of Polonium and Iridium


Chemical Properties
Chemical Formula
Ir   
Po   
Isotopes
  
  
Known Isotopes
34   
5
29   
10
Electronegativity
  
  
Pauling Electronegativity
2.20   
4
2.00   
7
Allred Rochow Electronegativity
1.55   
11
1.76   
2
Mulliken-Jaffe Electronegativity
Not Available   
2.48   
1
Allen Electronegativity
1.68   
17
2.19   
2
Electropositivity
  
  
Pauling Electropositivity
1.80   
99+
2.00   
99+
Ionization Energies
  
  
1st Energy Level
880.00 kJ/mol   
9
812.10 kJ/mol   
14
2nd Energy Level
1,600.00 kJ/mol   
35
Not Available   
Electrochemical Equivalent
1.14 g/amp-hr   
99+
3.90 g/amp-hr   
8
Electron Work Function
4.55 eV   
13
Not Available   
Other Chemical Properties
Flammable, Ionization, Radioactive Isotopes, Radioactivity   
Ionization, Radioactive Isotopes, Solubility   
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