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Chemical Properties of Actinium and Roentgenium


Chemical Properties of Roentgenium and Actinium


Chemical Properties

Chemical Formula
Ac   
Rg   

Isotopes
  
  

Known Isotopes
29   
10
1   
34

Electronegativity
  
  

Pauling Electronegativity
1.10   
99+
Not Available   

Allred Rochow Electronegativity
1.00   
36
Not Available   

Electropositivity
  
  

Pauling Electropositivity
2.90   
10
Not Available   

Ionization Energies
  
  

1st Energy Level
499.00 kJ/mol   
99+
1,022.70 kJ/mol   
3

2nd Energy Level
1,170.00 kJ/mol   
99+
2,074.40 kJ/mol   
10

3rd Energy Level
1,900.00 kJ/mol   
99+
3,077.90 kJ/mol   
24

4th Energy Level
4,700.00 kJ/mol   
23
4,052.40 kJ/mol   
36

5th Energy Level
Not Available   
5,306.70 kJ/mol   
31

Electrochemical Equivalent
2.82 g/amp-hr   
18
Not Available   

Electron Work Function
Not Available   
Not Available   

Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility   
NA   

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