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Chemical Properties of Gadolinium and 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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