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Chemical Properties of Beryllium and Lithium

Beryllium
Lithium
Chemical Properties of Lithium and Beryllium


Chemical Properties
Chemical Formula
Be   
Li   
Isotopes
  
  
Known Isotopes
9   
29
8   
30
Electronegativity
  
  
Pauling Electronegativity
1.57   
24
0.98   
99+
Sanderson Electronegativity
1.81   
12
0.89   
26
Allred Rochow Electronegativity
1.47   
14
0.97   
38
Mulliken-Jaffe Electronegativity
1.54   
12
0.97   
19
Allen Electronegativity
1.58   
23
0.91   
99+
Electropositivity
  
  
Pauling Electropositivity
2.43   
30
3.02   
8
Ionization Energies
  
  
1st Energy Level
899.50 kJ/mol   
7
520.20 kJ/mol   
99+
2nd Energy Level
1,757.10 kJ/mol   
23
7,298.10 kJ/mol   
3
3rd Energy Level
14,848.70 kJ/mol   
2
11,815.00 kJ/mol   
4
4th Energy Level
21,006.60 kJ/mol   
2
Not Available   
Electrochemical Equivalent
0.17 g/amp-hr   
99+
0.26 g/amp-hr   
99+
Electron Work Function
4.98 eV   
6
2.90 eV   
37
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes   
Corrosion, Flammable, Ionization, Radioactive Isotopes   
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