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Chemical Properties of Tungsten and Beryllium

Tungsten
Beryllium
Chemical Properties of Beryllium and Tungsten


Chemical Properties
Chemical Formula
W   
Be   
Isotopes
  
  
Known Isotopes
33   
6
9   
29
Electronegativity
  
  
Pauling Electronegativity
2.36   
2
1.57   
24
Sanderson Electronegativity
0.98   
23
1.81   
12
Allred Rochow Electronegativity
1.40   
19
1.47   
14
Mulliken-Jaffe Electronegativity
Not Available   
1.54   
12
Allen Electronegativity
1.47   
29
1.58   
23
Electropositivity
  
  
Pauling Electropositivity
1.64   
99+
2.43   
30
Ionization Energies
  
  
1st Energy Level
770.00 kJ/mol   
16
899.50 kJ/mol   
7
2nd Energy Level
1,700.00 kJ/mol   
29
1,757.10 kJ/mol   
23
3rd Energy Level
Not Available   
14,848.70 kJ/mol   
2
4th Energy Level
Not Available   
21,006.60 kJ/mol   
2
Electrochemical Equivalent
1.14 g/amp-hr   
99+
0.17 g/amp-hr   
99+
Electron Work Function
4.55 eV   
13
4.98 eV   
6
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility   
Corrosion, Ionization, Radioactive Isotopes   
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