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Chemical Properties of Radium and Roentgenium

Radium
Roentgenium
Chemical Properties of Roentgenium and Radium


Chemical Properties
Chemical Formula
Ra   
Rg   
Isotopes
  
  
Known Isotopes
33   
6
1   
34
Electronegativity
  
  
Pauling Electronegativity
0.90   
99+
Not Available   
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+
1,022.70 kJ/mol   
3
2nd Energy Level
979.00 kJ/mol   
99+
2,074.40 kJ/mol   
10
3rd Energy Level
Not Available   
3,077.90 kJ/mol   
24
4th Energy Level
Not Available   
4,052.40 kJ/mol   
36
5th Energy Level
Not Available   
5,306.70 kJ/mol   
31
Electrochemical Equivalent
4.22 g/amp-hr   
6
Not Available   
Electron Work Function
Not Available   
Not Available   
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
NA   
Atomic >>
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