Home
 Compare Metals

Chemical Properties of Neptunium and Roentgenium

Neptunium
Roentgenium
Chemical Properties of Roentgenium and Neptunium


Chemical Properties
Chemical Formula
Np   
Rg   
Isotopes
  
  
Known Isotopes
20   
19
1   
34
Electronegativity
  
  
Pauling Electronegativity
1.36   
29
Not Available   
Allred Rochow Electronegativity
1.22   
26
Not Available   
Electropositivity
  
  
Pauling Electropositivity
2.64   
25
Not Available   
Ionization Energies
  
  
1st Energy Level
604.50 kJ/mol   
99+
1,022.70 kJ/mol   
3
2nd Energy Level
1,128.00 kJ/mol   
99+
2,074.40 kJ/mol   
10
3rd Energy Level
1,997.00 kJ/mol   
99+
3,077.90 kJ/mol   
24
4th Energy Level
3,242.00 kJ/mol   
99+
4,052.40 kJ/mol   
36
5th Energy Level
Not Available   
5,306.70 kJ/mol   
31
Electrochemical Equivalent
1.77 g/amp-hr   
39
Not Available   
Electron Work Function
Not Available   
Not Available   
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility   
NA   
Atomic >>
<< Physical

Compare Actinide Series

Actinide Metals

Actinide Metals

» More Actinide Metals

Compare Actinide Series

» More Compare Actinide Series
Home | About | Contact | Disclaimer | Terms of use
© A softusvista inc. venture!