Home
Compare Metals


Chemical Properties of Thorium and Thulium


Chemical Properties of Thulium and Thorium


Chemical Properties

Chemical Formula
Th   
Tm   

Isotopes
  
  

Known Isotopes
28   
11
32   
7

Electronegativity
  
  

Pauling Electronegativity
1.30   
32
1.25   
35

Allred Rochow Electronegativity
1.11   
29
1.11   
29

Electropositivity
  
  

Pauling Electropositivity
2.70   
22
2.75   
19

Ionization Energies
  
  

1st Energy Level
587.00 kJ/mol   
99+
596.70 kJ/mol   
99+

2nd Energy Level
1,110.00 kJ/mol   
99+
1,160.00 kJ/mol   
99+

3rd Energy Level
1,978.00 kJ/mol   
99+
2,285.00 kJ/mol   
99+

4th Energy Level
2,780.00 kJ/mol   
99+
4,120.00 kJ/mol   
33

Electrochemical Equivalent
2.16 g/amp-hr   
24
2.10 g/amp-hr   
26

Electron Work Function
3.41 eV   
32
Not Available   

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

Atomic >>
<< Physical

Compare Actinide Series

Actinide Metals

Actinide Metals

» More Actinide Metals

Compare Actinide Series

» More Compare Actinide Series