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Chemical Properties of Lithium and Beryllium

Lithium
Beryllium
Chemical Properties of Beryllium and Lithium


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