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Chemical Properties of Radium and Uranium

Radium
Uranium
Chemical Properties of Uranium and Radium


Chemical Properties
Chemical Formula
Ra   
U   
Isotopes
  
  
Known Isotopes
33   
6
25   
14
Electronegativity
  
  
Pauling Electronegativity
0.90   
99+
1.38   
28
Allred Rochow Electronegativity
0.97   
38
1.22   
26
Mulliken-Jaffe Electronegativity
0.92   
20
Not Available   
Allen Electronegativity
0.89   
99+
Not Available   
Electropositivity
  
  
Pauling Electropositivity
3.10   
5
2.62   
26
Ionization Energies
  
  
1st Energy Level
509.30 kJ/mol   
99+
597.60 kJ/mol   
99+
2nd Energy Level
979.00 kJ/mol   
99+
1,420.00 kJ/mol   
99+
3rd Energy Level
Not Available   
1,900.00 kJ/mol   
99+
4th Energy Level
Not Available   
3,145.00 kJ/mol   
99+
Electrochemical Equivalent
4.22 g/amp-hr   
6
1.48 g/amp-hr   
99+
Electron Work Function
Not Available   
3.63 eV   
30
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Ionization, Radioactive Isotopes, Radioactivity   
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