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Chemical Properties of Beryllium and Sodium

Beryllium
Sodium
Chemical Properties of Sodium and Beryllium


Chemical Properties
Chemical Formula
Be   
Na   
Isotopes
  
  
Known Isotopes
9   
29
17   
22
Electronegativity
  
  
Pauling Electronegativity
1.57   
24
0.93   
99+
Sanderson Electronegativity
1.81   
12
0.56   
30
Allred Rochow Electronegativity
1.47   
14
1.01   
35
Mulliken-Jaffe Electronegativity
1.54   
12
0.91   
21
Allen Electronegativity
1.58   
23
0.87   
99+
Electropositivity
  
  
Pauling Electropositivity
2.43   
30
3.07   
6
Ionization Energies
  
  
1st Energy Level
899.50 kJ/mol   
7
495.80 kJ/mol   
99+
2nd Energy Level
1,757.10 kJ/mol   
23
4,562.00 kJ/mol   
4
3rd Energy Level
14,848.70 kJ/mol   
2
6,910.30 kJ/mol   
6
4th Energy Level
21,006.60 kJ/mol   
2
9,543.00 kJ/mol   
5
5th Energy Level
Not Available   
13,354.00 kJ/mol   
4
6th Energy Level
Not Available   
16,613.00 kJ/mol   
4
7th Energy level
Not Available   
20,117.00 kJ/mol   
4
8th Energy Level
Not Available   
25,496.00 kJ/mol   
4
9th Energy Level
Not Available   
28,932.00 kJ/mol   
4
10th Energy Level
Not Available   
141,362.00 kJ/mol   
2
11th Energy Level
Not Available   
159,076.00 kJ/mol   
2
Electrochemical Equivalent
0.17 g/amp-hr   
99+
0.86 g/amp-hr   
99+
Electron Work Function
4.98 eV   
6
2.75 eV   
40
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes   
Chemical Stability, Corrosion, Flammability, Ionization, Solubility   
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