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Chemical Properties of Beryllium and Magnesium

Beryllium
Magnesium
Chemical Properties of Magnesium and Beryllium


Chemical Properties
Chemical Formula
Be   
Mg   
Isotopes
  
  
Known Isotopes
9   
29
15   
24
Electronegativity
  
  
Pauling Electronegativity
1.57   
24
1.31   
31
Sanderson Electronegativity
1.81   
12
1.32   
18
Allred Rochow Electronegativity
1.47   
14
1.23   
25
Mulliken-Jaffe Electronegativity
1.54   
12
1.37   
16
Allen Electronegativity
1.58   
23
1.29   
35
Electropositivity
  
  
Pauling Electropositivity
2.43   
30
2.69   
23
Ionization Energies
  
  
1st Energy Level
899.50 kJ/mol   
7
737.70 kJ/mol   
24
2nd Energy Level
1,757.10 kJ/mol   
23
1,450.70 kJ/mol   
99+
3rd Energy Level
14,848.70 kJ/mol   
2
7,732.70 kJ/mol   
5
4th Energy Level
21,006.60 kJ/mol   
2
10,542.50 kJ/mol   
4
5th Energy Level
Not Available   
13,630.00 kJ/mol   
3
6th Energy Level
Not Available   
18,020.00 kJ/mol   
3
7th Energy level
Not Available   
21,711.00 kJ/mol   
3
8th Energy Level
Not Available   
25,661.00 kJ/mol   
3
9th Energy Level
Not Available   
31,653.00 kJ/mol   
3
10th Energy Level
Not Available   
35,458.00 kJ/mol   
5
11th Energy Level
Not Available   
169,988.00 kJ/mol   
1
12th Energy Level
Not Available   
189,368.00 kJ/mol   
1
Electrochemical Equivalent
0.17 g/amp-hr   
99+
0.45 g/amp-hr   
99+
Electron Work Function
4.98 eV   
6
3.66 eV   
29
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes   
Corrosion, Highly Inflammable, Ionization, Solubility   
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