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Chemical Properties of Beryllium and Francium

Beryllium
Francium
Chemical Properties of Francium and Beryllium


Chemical Properties
Chemical Formula
Be   
Fr   
Isotopes
  
  
Known Isotopes
9   
29
33   
6
Electronegativity
  
  
Pauling Electronegativity
1.57   
24
0.70   
99+
Sanderson Electronegativity
1.81   
12
Not Available   
Allred Rochow Electronegativity
1.47   
14
0.86   
99+
Mulliken-Jaffe Electronegativity
1.54   
12
0.68   
25
Allen Electronegativity
1.58   
23
0.67   
99+
Electropositivity
  
  
Pauling Electropositivity
2.43   
30
3.30   
1
Ionization Energies
  
  
1st Energy Level
899.50 kJ/mol   
7
380.00 kJ/mol   
99+
2nd Energy Level
1,757.10 kJ/mol   
23
Not Available   
3rd Energy Level
14,848.70 kJ/mol   
2
Not Available   
4th Energy Level
21,006.60 kJ/mol   
2
Not Available   
Electrochemical Equivalent
0.17 g/amp-hr   
99+
8.32 g/amp-hr   
1
Electron Work Function
4.98 eV   
6
Not Available   
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes   
Ionization, Radioactive Isotopes, Radioactivity, Solubility   
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