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Chemical Properties of Tantalum and Neodymium

Tantalum
Neodymium
Chemical Properties of Neodymium and Tantalum


Chemical Properties
Chemical Formula
Ta   
Nd   
Isotopes
  
  
Known Isotopes
31   
8
30   
9
Electronegativity
  
  
Pauling Electronegativity
1.50   
27
1.14   
99+
Allred Rochow Electronegativity
1.33   
22
1.07   
32
Allen Electronegativity
1.34   
33
Not Available   
Electropositivity
  
  
Pauling Electropositivity
2.50   
27
2.86   
13
Ionization Energies
  
  
1st Energy Level
761.00 kJ/mol   
18
533.10 kJ/mol   
99+
2nd Energy Level
1,500.00 kJ/mol   
40
1,040.00 kJ/mol   
99+
3rd Energy Level
Not Available   
2,130.00 kJ/mol   
99+
4th Energy Level
Not Available   
3,900.00 kJ/mol   
99+
Electrochemical Equivalent
1.35 g/amp-hr   
99+
1.79 g/amp-hr   
37
Electron Work Function
4.25 eV   
21
3.20 eV   
34
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility   
Chemical Stability, Corrosion, Flammable, Ionization   
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