Home

Transition Metals + -

Actinide Metals + -

Lanthanide Metals + -

Post-Transition Metals + -

Alkaline Earth Metals + -

Compare Metals


Chemical Properties of Neptunium and Francium


Chemical Properties of Francium and Neptunium


Chemical Properties

Chemical Formula
Np   
Fr   

Isotopes
  
  

Known Isotopes
20   
19
33   
6

Electronegativity
  
  

Pauling Electronegativity
1.36   
29
0.70   
99+

Allred Rochow Electronegativity
1.22   
26
0.86   
99+

Mulliken-Jaffe Electronegativity
Not Available   
0.68   
25

Allen Electronegativity
Not Available   
0.67   
99+

Electropositivity
  
  

Pauling Electropositivity
2.64   
25
3.30   
1

Ionization Energies
  
  

1st Energy Level
604.50 kJ/mol   
99+
380.00 kJ/mol   
99+

2nd Energy Level
1,128.00 kJ/mol   
99+
Not Available   

3rd Energy Level
1,997.00 kJ/mol   
99+
Not Available   

4th Energy Level
3,242.00 kJ/mol   
99+
Not Available   

Electrochemical Equivalent
1.77 g/amp-hr   
39
8.32 g/amp-hr   
1

Electron Work Function
Not Available   
Not Available   

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

Atomic >>
<< Physical

Compare Actinide Series

Actinide Metals

Actinide Metals

» More Actinide Metals

Compare Actinide Series

» More Compare Actinide Series