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Chemical Properties of Tungsten and Europium

Tungsten
Europium
Chemical Properties of Europium and Tungsten


Chemical Properties
Chemical Formula
W   
Eu   
Isotopes
  
  
Known Isotopes
33   
6
31   
8
Electronegativity
  
  
Pauling Electronegativity
2.36   
2
1.20   
39
Sanderson Electronegativity
0.98   
23
1.01   
22
Allred Rochow Electronegativity
1.40   
19
Not Available   
Allen Electronegativity
1.47   
29
Not Available   
Electropositivity
  
  
Pauling Electropositivity
1.64   
99+
Not Available   
Ionization Energies
  
  
1st Energy Level
770.00 kJ/mol   
16
547.10 kJ/mol   
99+
2nd Energy Level
1,700.00 kJ/mol   
29
1,085.00 kJ/mol   
99+
3rd Energy Level
Not Available   
2,404.00 kJ/mol   
99+
4th Energy Level
Not Available   
4,120.00 kJ/mol   
33
Electrochemical Equivalent
1.14 g/amp-hr   
99+
1.89 g/amp-hr   
33
Electron Work Function
4.55 eV   
13
2.50 eV   
99+
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility   
Ionization, Radioactive Isotopes, Solubility   
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