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Chemical Properties of Tantalum and Tungsten

Tantalum
Tungsten
Chemical Properties of Tungsten and Tantalum


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