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Chemical Properties of Potassium and Magnesium

Potassium
Magnesium
Chemical Properties of Magnesium and Potassium


Chemical Properties
Chemical Formula
K   
Mg   
Isotopes
  
  
Known Isotopes
20   
19
15   
24
Electronegativity
  
  
Pauling Electronegativity
0.82   
99+
1.31   
31
Sanderson Electronegativity
0.45   
31
1.32   
18
Allred Rochow Electronegativity
0.91   
39
1.23   
25
Mulliken-Jaffe Electronegativity
0.73   
23
1.37   
16
Allen Electronegativity
0.73   
99+
1.29   
35
Electropositivity
  
  
Pauling Electropositivity
3.18   
3
2.69   
23
Ionization Energies
  
  
1st Energy Level
418.80 kJ/mol   
99+
737.70 kJ/mol   
24
2nd Energy Level
3,052.00 kJ/mol   
5
1,450.70 kJ/mol   
99+
3rd Energy Level
4,420.00 kJ/mol   
8
7,732.70 kJ/mol   
5
4th Energy Level
5,877.00 kJ/mol   
9
10,542.50 kJ/mol   
4
5th Energy Level
7,975.00 kJ/mol   
8
13,630.00 kJ/mol   
3
6th Energy Level
9,590.00 kJ/mol   
13
18,020.00 kJ/mol   
3
7th Energy level
11,343.00 kJ/mol   
17
21,711.00 kJ/mol   
3
8th Energy Level
14,944.00 kJ/mol   
13
25,661.00 kJ/mol   
3
9th Energy Level
16,963.70 kJ/mol   
15
31,653.00 kJ/mol   
3
10th Energy Level
48,610.00 kJ/mol   
3
35,458.00 kJ/mol   
5
11th Energy Level
54,490.00 kJ/mol   
4
169,988.00 kJ/mol   
1
12th Energy Level
60,730.00 kJ/mol   
4
189,368.00 kJ/mol   
1
13th Energy Level
68,950.00 kJ/mol   
4
Not Available   
14th Energy Level
75,900.00 kJ/mol   
5
Not Available   
15th Energy Level
83,080.00 kJ/mol   
6
Not Available   
16th Energy Level
93,400.00 kJ/mol   
7
Not Available   
17th Energy Level
99,710.00 kJ/mol   
8
Not Available   
Electrochemical Equivalent
1.46 g/amp-hr   
99+
0.45 g/amp-hr   
99+
Electron Work Function
2.30 eV   
99+
3.66 eV   
29
Other Chemical Properties
Chemical Stability, Flammability, Ionization, Solubility   
Corrosion, Highly Inflammable, Ionization, Solubility   
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