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Chemical Properties of Radium and Osmium

Radium
Osmium
Chemical Properties of Osmium and Radium


Chemical Properties
Chemical Formula
Ra   
Os   
Isotopes
  
  
Known Isotopes
33   
6
35   
4
Electronegativity
  
  
Pauling Electronegativity
0.90   
99+
2.20   
4
Allred Rochow Electronegativity
0.97   
38
1.52   
12
Mulliken-Jaffe Electronegativity
0.92   
20
Not Available   
Allen Electronegativity
0.89   
99+
1.65   
19
Electropositivity
  
  
Pauling Electropositivity
3.10   
5
1.80   
99+
Ionization Energies
  
  
1st Energy Level
509.30 kJ/mol   
99+
840.00 kJ/mol   
12
2nd Energy Level
979.00 kJ/mol   
99+
1,309.80 kJ/mol   
99+
3rd Energy Level
Not Available   
1,600.00 kJ/mol   
99+
Electrochemical Equivalent
4.22 g/amp-hr   
6
1.77 g/amp-hr   
38
Electron Work Function
Not Available   
4.83 eV   
8
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Chemical Stability, Ionization, Solubility   
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