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Chemical Properties of Magnesium and Manganese

Magnesium
Manganese
Chemical Properties of Manganese and Magnesium


Chemical Properties
Chemical Formula
Mg   
Mn   
Isotopes
  
  
Known Isotopes
15   
24
21   
18
Electronegativity
  
  
Pauling Electronegativity
1.31   
31
1.55   
25
Sanderson Electronegativity
1.32   
18
2.20   
7
Allred Rochow Electronegativity
1.23   
25
1.60   
9
Mulliken-Jaffe Electronegativity
1.37   
16
Not Available   
Allen Electronegativity
1.29   
35
1.75   
15
Electropositivity
  
  
Pauling Electropositivity
2.69   
23
2.45   
29
Ionization Energies
  
  
1st Energy Level
737.70 kJ/mol   
24
717.30 kJ/mol   
30
2nd Energy Level
1,450.70 kJ/mol   
99+
1,509.00 kJ/mol   
39
3rd Energy Level
7,732.70 kJ/mol   
5
3,248.00 kJ/mol   
21
4th Energy Level
10,542.50 kJ/mol   
4
4,940.00 kJ/mol   
20
5th Energy Level
13,630.00 kJ/mol   
3
6,990.00 kJ/mol   
17
6th Energy Level
18,020.00 kJ/mol   
3
9,220.00 kJ/mol   
16
7th Energy level
21,711.00 kJ/mol   
3
11,500.00 kJ/mol   
16
8th Energy Level
25,661.00 kJ/mol   
3
18,770.00 kJ/mol   
5
9th Energy Level
31,653.00 kJ/mol   
3
21,400.00 kJ/mol   
6
10th Energy Level
35,458.00 kJ/mol   
5
23,960.00 kJ/mol   
9
11th Energy Level
169,988.00 kJ/mol   
1
27,590.00 kJ/mol   
10
12th Energy Level
189,368.00 kJ/mol   
1
30,330.00 kJ/mol   
10
13th Energy Level
Not Available   
33,150.00 kJ/mol   
11
14th Energy Level
Not Available   
38,880.00 kJ/mol   
10
15th Energy Level
Not Available   
41,987.00 kJ/mol   
13
16th Energy Level
Not Available   
109,480.00 kJ/mol   
1
17th Energy Level
Not Available   
118,100.00 kJ/mol   
2
18th Energy Level
Not Available   
127,100.00 kJ/mol   
3
19th Energy Level
Not Available   
138,600.00 kJ/mol   
4
20th Energy Level
Not Available   
148,500.00 kJ/mol   
6
21st Energy Level
Not Available   
158,600.00 kJ/mol   
6
22nd Energy Level
Not Available   
172,500.00 kJ/mol   
5
23rd Energy Level
Not Available   
181,380.00 kJ/mol   
5
Electrochemical Equivalent
0.45 g/amp-hr   
99+
0.29 g/amp-hr   
99+
Electron Work Function
3.66 eV   
29
4.10 eV   
25
Other Chemical Properties
Corrosion, Highly Inflammable, Ionization, Solubility   
Ionization, Radioactive Isotopes   
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