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Chemical Properties of Europium and Iridium


Chemical Properties of Iridium and Europium


Chemical Properties

Chemical Formula
Eu   
Ir   

Isotopes
  
  

Known Isotopes
31   
8
34   
5

Electronegativity
  
  

Pauling Electronegativity
1.20   
39
2.20   
4

Sanderson Electronegativity
1.01   
22
Not Available   

Allred Rochow Electronegativity
Not Available   
1.55   
11

Allen Electronegativity
Not Available   
1.68   
17

Electropositivity
  
  

Pauling Electropositivity
Not Available   
1.80   
99+

Ionization Energies
  
  

1st Energy Level
547.10 kJ/mol   
99+
880.00 kJ/mol   
9

2nd Energy Level
1,085.00 kJ/mol   
99+
1,600.00 kJ/mol   
35

3rd Energy Level
2,404.00 kJ/mol   
99+
Not Available   

4th Energy Level
4,120.00 kJ/mol   
33
Not Available   

Electrochemical Equivalent
1.89 g/amp-hr   
33
1.14 g/amp-hr   
99+

Electron Work Function
2.50 eV   
99+
4.55 eV   
13

Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility   
Flammable, Ionization, Radioactive Isotopes, Radioactivity   

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