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Chemical Properties of Beryllium and Polonium

Beryllium
Polonium
Chemical Properties of Polonium and Beryllium


Chemical Properties
Chemical Formula
Be   
Po   
Isotopes
  
  
Known Isotopes
9   
29
29   
10
Electronegativity
  
  
Pauling Electronegativity
1.57   
24
2.00   
7
Sanderson Electronegativity
1.81   
12
Not Available   
Allred Rochow Electronegativity
1.47   
14
1.76   
2
Mulliken-Jaffe Electronegativity
1.54   
12
2.48   
1
Allen Electronegativity
1.58   
23
2.19   
2
Electropositivity
  
  
Pauling Electropositivity
2.43   
30
2.00   
99+
Ionization Energies
  
  
1st Energy Level
899.50 kJ/mol   
7
812.10 kJ/mol   
14
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+
3.90 g/amp-hr   
8
Electron Work Function
4.98 eV   
6
Not Available   
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes   
Ionization, Radioactive Isotopes, Solubility   
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