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Chemical Properties of Roentgenium and Tantalum

Roentgenium
Tantalum
Chemical Properties of Tantalum and Roentgenium


Chemical Properties
Chemical Formula
Rg   
Ta   
Isotopes
  
  
Known Isotopes
1   
34
31   
8
Electronegativity
  
  
Pauling Electronegativity
Not Available   
1.50   
27
Allred Rochow Electronegativity
Not Available   
1.33   
22
Allen Electronegativity
Not Available   
1.34   
33
Electropositivity
  
  
Pauling Electropositivity
Not Available   
2.50   
27
Ionization Energies
  
  
1st Energy Level
1,022.70 kJ/mol   
3
761.00 kJ/mol   
18
2nd Energy Level
2,074.40 kJ/mol   
10
1,500.00 kJ/mol   
40
3rd Energy Level
3,077.90 kJ/mol   
24
Not Available   
4th Energy Level
4,052.40 kJ/mol   
36
Not Available   
5th Energy Level
5,306.70 kJ/mol   
31
Not Available   
Electrochemical Equivalent
Not Available   
1.35 g/amp-hr   
99+
Electron Work Function
Not Available   
4.25 eV   
21
Other Chemical Properties
NA   
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility   
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