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Chemical Properties of Iridium and Tungsten

Iridium
Tungsten
Chemical Properties of Tungsten and Iridium


Chemical Properties
Chemical Formula
Ir   
W   
Isotopes
  
  
Known Isotopes
34   
5
33   
6
Electronegativity
  
  
Pauling Electronegativity
2.20   
4
2.36   
2
Sanderson Electronegativity
Not Available   
0.98   
23
Allred Rochow Electronegativity
1.55   
11
1.40   
19
Allen Electronegativity
1.68   
17
1.47   
29
Electropositivity
  
  
Pauling Electropositivity
1.80   
99+
1.64   
99+
Ionization Energies
  
  
1st Energy Level
880.00 kJ/mol   
9
770.00 kJ/mol   
16
2nd Energy Level
1,600.00 kJ/mol   
35
1,700.00 kJ/mol   
29
Electrochemical Equivalent
1.14 g/amp-hr   
99+
1.14 g/amp-hr   
99+
Electron Work Function
4.55 eV   
13
4.55 eV   
13
Other Chemical Properties
Flammable, Ionization, Radioactive Isotopes, Radioactivity   
Ionization, Radioactive Isotopes, Solubility   
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