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Chemical Properties of Tungsten and Tantalum

Tungsten
Tantalum
Chemical Properties of Tantalum and Tungsten


Chemical Properties
Chemical Formula
W   
Ta   
Isotopes
  
  
Known Isotopes
33   
6
31   
8
Electronegativity
  
  
Pauling Electronegativity
2.36   
2
1.50   
27
Sanderson Electronegativity
0.98   
23
Not Available   
Allred Rochow Electronegativity
1.40   
19
1.33   
22
Allen Electronegativity
1.47   
29
1.34   
33
Electropositivity
  
  
Pauling Electropositivity
1.64   
99+
2.50   
27
Ionization Energies
  
  
1st Energy Level
770.00 kJ/mol   
16
761.00 kJ/mol   
18
2nd Energy Level
1,700.00 kJ/mol   
29
1,500.00 kJ/mol   
40
Electrochemical Equivalent
1.14 g/amp-hr   
99+
1.35 g/amp-hr   
99+
Electron Work Function
4.55 eV   
13
4.25 eV   
21
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility   
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility   
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