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Chemical Properties of Radium and Europium

Radium
Europium
Chemical Properties of Europium and Radium


Chemical Properties
Chemical Formula
Ra   
Eu   
Isotopes
  
  
Known Isotopes
33   
6
31   
8
Electronegativity
  
  
Pauling Electronegativity
0.90   
99+
1.20   
39
Sanderson Electronegativity
Not Available   
1.01   
22
Allred Rochow Electronegativity
0.97   
38
Not Available   
Mulliken-Jaffe Electronegativity
0.92   
20
Not Available   
Allen Electronegativity
0.89   
99+
Not Available   
Electropositivity
  
  
Pauling Electropositivity
3.10   
5
Not Available   
Ionization Energies
  
  
1st Energy Level
509.30 kJ/mol   
99+
547.10 kJ/mol   
99+
2nd Energy Level
979.00 kJ/mol   
99+
1,085.00 kJ/mol   
99+
3rd Energy Level
Not Available   
2,404.00 kJ/mol   
99+
4th Energy Level
Not Available   
4,120.00 kJ/mol   
33
Electrochemical Equivalent
4.22 g/amp-hr   
6
1.89 g/amp-hr   
33
Electron Work Function
Not Available   
2.50 eV   
99+
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Ionization, Radioactive Isotopes, Solubility   
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