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Chemical Properties of Europium and Osmium

Europium
Osmium
Chemical Properties of Osmium and Europium


Chemical Properties
Chemical Formula
Eu   
Os   
Isotopes
  
  
Known Isotopes
31   
8
35   
4
Electronegativity
  
  
Pauling Electronegativity
1.20   
39
2.20   
4
Sanderson Electronegativity
1.01   
22
Not Available   
Allred Rochow Electronegativity
Not Available   
1.52   
12
Allen Electronegativity
Not Available   
1.65   
19
Electropositivity
  
  
Pauling Electropositivity
Not Available   
1.80   
99+
Ionization Energies
  
  
1st Energy Level
547.10 kJ/mol   
99+
840.00 kJ/mol   
12
2nd Energy Level
1,085.00 kJ/mol   
99+
1,309.80 kJ/mol   
99+
3rd Energy Level
2,404.00 kJ/mol   
99+
1,600.00 kJ/mol   
99+
4th Energy Level
4,120.00 kJ/mol   
33
Not Available   
Electrochemical Equivalent
1.89 g/amp-hr   
33
1.77 g/amp-hr   
38
Electron Work Function
2.50 eV   
99+
4.83 eV   
8
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility   
Chemical Stability, Ionization, Solubility   
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