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Chemical Properties of Magnesium and Calcium

Magnesium
Calcium
Chemical Properties of Calcium and Magnesium


Chemical Properties
Chemical Formula
Mg   
Ca   
Isotopes
  
  
Known Isotopes
15   
24
19   
20
Electronegativity
  
  
Pauling Electronegativity
1.31   
31
1.00   
99+
Sanderson Electronegativity
1.32   
18
0.95   
24
Allred Rochow Electronegativity
1.23   
25
1.04   
34
Mulliken-Jaffe Electronegativity
1.37   
16
1.08   
17
Allen Electronegativity
1.29   
35
1.03   
39
Electropositivity
  
  
Pauling Electropositivity
2.69   
23
3.00   
9
Ionization Energies
  
  
1st Energy Level
737.70 kJ/mol   
24
589.80 kJ/mol   
99+
2nd Energy Level
1,450.70 kJ/mol   
99+
1,145.40 kJ/mol   
99+
3rd Energy Level
7,732.70 kJ/mol   
5
4,912.40 kJ/mol   
7
4th Energy Level
10,542.50 kJ/mol   
4
6,491.00 kJ/mol   
7
5th Energy Level
13,630.00 kJ/mol   
3
8,153.00 kJ/mol   
7
6th Energy Level
18,020.00 kJ/mol   
3
10,496.00 kJ/mol   
8
7th Energy level
21,711.00 kJ/mol   
3
12,270.00 kJ/mol   
12
8th Energy Level
25,661.00 kJ/mol   
3
14,206.00 kJ/mol   
15
9th Energy Level
31,653.00 kJ/mol   
3
18,191.00 kJ/mol   
12
10th Energy Level
35,458.00 kJ/mol   
5
20,385.00 kJ/mol   
16
11th Energy Level
169,988.00 kJ/mol   
1
57,110.00 kJ/mol   
3
12th Energy Level
189,368.00 kJ/mol   
1
63,410.00 kJ/mol   
3
13th Energy Level
Not Available   
70,110.00 kJ/mol   
3
14th Energy Level
Not Available   
78,890.00 kJ/mol   
4
15th Energy Level
Not Available   
86,310.00 kJ/mol   
5
16th Energy Level
Not Available   
94,000.00 kJ/mol   
6
17th Energy Level
Not Available   
104,900.00 kJ/mol   
7
18th Energy Level
Not Available   
111,711.00 kJ/mol   
8
Electrochemical Equivalent
0.45 g/amp-hr   
99+
0.75 g/amp-hr   
99+
Electron Work Function
3.66 eV   
29
2.87 eV   
38
Other Chemical Properties
Corrosion, Highly Inflammable, Ionization, Solubility   
Chemical Stability, Flammability, Ionization, Solubility   
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