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Chemical Properties of Roentgenium and Hafnium

Roentgenium
Hafnium
Chemical Properties of Hafnium and Roentgenium


Chemical Properties
Chemical Formula
Rg   
Hf   
Isotopes
  
  
Known Isotopes
1   
34
32   
7
Electronegativity
  
  
Pauling Electronegativity
Not Available   
1.30   
32
Allred Rochow Electronegativity
Not Available   
1.23   
25
Allen Electronegativity
Not Available   
1.16   
37
Electropositivity
  
  
Pauling Electropositivity
Not Available   
2.70   
22
Ionization Energies
  
  
1st Energy Level
1,022.70 kJ/mol   
3
658.50 kJ/mol   
40
2nd Energy Level
2,074.40 kJ/mol   
10
1,440.00 kJ/mol   
99+
3rd Energy Level
3,077.90 kJ/mol   
24
2,250.00 kJ/mol   
99+
4th Energy Level
4,052.40 kJ/mol   
36
3,216.00 kJ/mol   
99+
5th Energy Level
5,306.70 kJ/mol   
31
Not Available   
Electrochemical Equivalent
Not Available   
1.66 g/amp-hr   
99+
Electron Work Function
Not Available   
3.90 eV   
27
Other Chemical Properties
NA   
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Atomic >>
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