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Chemical Properties of Europium and Radium

Europium
Radium
Chemical Properties of Radium and Europium


Chemical Properties
Chemical Formula
Eu   
Ra   
Isotopes
  
  
Known Isotopes
31   
8
33   
6
Electronegativity
  
  
Pauling Electronegativity
1.20   
39
0.90   
99+
Sanderson Electronegativity
1.01   
22
Not Available   
Allred Rochow Electronegativity
Not Available   
0.97   
38
Mulliken-Jaffe Electronegativity
Not Available   
0.92   
20
Allen Electronegativity
Not Available   
0.89   
99+
Electropositivity
  
  
Pauling Electropositivity
Not Available   
3.10   
5
Ionization Energies
  
  
1st Energy Level
547.10 kJ/mol   
99+
509.30 kJ/mol   
99+
2nd Energy Level
1,085.00 kJ/mol   
99+
979.00 kJ/mol   
99+
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
4.22 g/amp-hr   
6
Electron Work Function
2.50 eV   
99+
Not Available   
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility   
Ionization, Radioactive Isotopes, Radioactivity   
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