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Chemical Properties of Lead and Beryllium

Lead
Beryllium
Chemical Properties of Beryllium and Lead


Chemical Properties
Chemical Formula
Pb   
Be   
Isotopes
  
  
Known Isotopes
35   
4
9   
29
Electronegativity
  
  
Pauling Electronegativity
1.87   
13
1.57   
24
Sanderson Electronegativity
2.29   
4
1.81   
12
Allred Rochow Electronegativity
1.55   
11
1.47   
14
Mulliken-Jaffe Electronegativity
2.41   
2
1.54   
12
Allen Electronegativity
1.85   
8
1.58   
23
Electropositivity
  
  
Pauling Electropositivity
1.67   
99+
2.43   
30
Ionization Energies
  
  
1st Energy Level
715.60 kJ/mol   
31
899.50 kJ/mol   
7
2nd Energy Level
1,450.50 kJ/mol   
99+
1,757.10 kJ/mol   
23
3rd Energy Level
3,081.50 kJ/mol   
23
14,848.70 kJ/mol   
2
4th Energy Level
4,083.00 kJ/mol   
35
21,006.60 kJ/mol   
2
5th Energy Level
6,640.00 kJ/mol   
20
Not Available   
Electrochemical Equivalent
3.87 g/amp-hr   
9
0.17 g/amp-hr   
99+
Electron Work Function
4.25 eV   
21
4.98 eV   
6
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes   
Corrosion, Ionization, Radioactive Isotopes   
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