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Chemical Properties of Calcium and Magnesium

Calcium
Magnesium
Chemical Properties of Magnesium and Calcium


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