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Chemical Properties of Radium and Terbium

Radium
Terbium
Chemical Properties of Terbium and Radium


Chemical Properties
Chemical Formula
Ra   
Tb   
Isotopes
  
  
Known Isotopes
33   
6
26   
13
Electronegativity
  
  
Pauling Electronegativity
0.90   
99+
Not Available   
Allred Rochow Electronegativity
0.97   
38
1.10   
30
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+
603.40 kJ/mol   
99+
2nd Energy Level
979.00 kJ/mol   
99+
1,174.80 kJ/mol   
99+
3rd Energy Level
Not Available   
2,417.00 kJ/mol   
99+
4th Energy Level
Not Available   
4,203.00 kJ/mol   
31
Electrochemical Equivalent
4.22 g/amp-hr   
6
1.98 g/amp-hr   
31
Electron Work Function
Not Available   
3.00 eV   
36
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Ionization, Radioactive Isotopes, Solubility   
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