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Chemical Properties of Roentgenium and Erbium

Roentgenium
Erbium
Chemical Properties of Erbium and Roentgenium


Chemical Properties
Chemical Formula
Rg   
Er   
Isotopes
  
  
Known Isotopes
1   
34
31   
8
Electronegativity
  
  
Pauling Electronegativity
Not Available   
1.24   
36
Allred Rochow Electronegativity
Not Available   
1.11   
29
Electropositivity
  
  
Pauling Electropositivity
Not Available   
2.76   
18
Ionization Energies
  
  
1st Energy Level
1,022.70 kJ/mol   
3
589.30 kJ/mol   
99+
2nd Energy Level
2,074.40 kJ/mol   
10
1,150.00 kJ/mol   
99+
3rd Energy Level
3,077.90 kJ/mol   
24
2,194.00 kJ/mol   
99+
4th Energy Level
4,052.40 kJ/mol   
36
4,120.00 kJ/mol   
33
5th Energy Level
5,306.70 kJ/mol   
31
Not Available   
Electrochemical Equivalent
Not Available   
2.08 g/amp-hr   
28
Electron Work Function
Not Available   
Not Available   
Other Chemical Properties
NA   
Ionization, Radioactive Isotopes, Solubility   
Atomic >>
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