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Chemical Properties of Manganese and Magnesium

Manganese
Magnesium
Chemical Properties of Magnesium and Manganese


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