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Chemical Properties of Polonium and Iridium

Polonium
Iridium
Chemical Properties of Iridium and Polonium


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