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Chemical Properties of Gadolinium and Iridium

Gadolinium
Iridium
Chemical Properties of Iridium and Gadolinium


Chemical Properties
Chemical Formula
Gd   
Ir   
Isotopes
  
  
Known Isotopes
26   
13
34   
5
Electronegativity
  
  
Pauling Electronegativity
1.20   
39
2.20   
4
Allred Rochow Electronegativity
1.11   
29
1.55   
11
Allen Electronegativity
Not Available   
1.68   
17
Electropositivity
  
  
Pauling Electropositivity
2.80   
15
1.80   
99+
Ionization Energies
  
  
1st Energy Level
593.40 kJ/mol   
99+
880.00 kJ/mol   
9
2nd Energy Level
1,170.00 kJ/mol   
99+
1,600.00 kJ/mol   
35
3rd Energy Level
1,990.00 kJ/mol   
99+
Not Available   
4th Energy Level
4,250.00 kJ/mol   
30
Not Available   
Electrochemical Equivalent
1.96 g/amp-hr   
32
1.14 g/amp-hr   
99+
Electron Work Function
3.10 eV   
35
4.55 eV   
13
Other Chemical Properties
Corrosion, Flammable, Ionization, Radioactive Isotopes   
Flammable, Ionization, Radioactive Isotopes, Radioactivity   
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