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Chemical Properties of Tungsten and Iridium

Tungsten
Iridium
Chemical Properties of Iridium and Tungsten


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