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Chemical Properties of Tantalum and Roentgenium

Tantalum
Roentgenium
Chemical Properties of Roentgenium and Tantalum


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