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Chemical Properties of Sodium and Potassium

Sodium
Potassium
Chemical Properties of Potassium and Sodium


Chemical Properties
Chemical Formula
Na   
K   
Isotopes
  
  
Known Isotopes
17   
22
20   
19
Electronegativity
  
  
Pauling Electronegativity
0.93   
99+
0.82   
99+
Sanderson Electronegativity
0.56   
30
0.45   
31
Allred Rochow Electronegativity
1.01   
35
0.91   
39
Mulliken-Jaffe Electronegativity
0.91   
21
0.73   
23
Allen Electronegativity
0.87   
99+
0.73   
99+
Electropositivity
  
  
Pauling Electropositivity
3.07   
6
3.18   
3
Ionization Energies
  
  
1st Energy Level
495.80 kJ/mol   
99+
418.80 kJ/mol   
99+
2nd Energy Level
4,562.00 kJ/mol   
4
3,052.00 kJ/mol   
5
3rd Energy Level
6,910.30 kJ/mol   
6
4,420.00 kJ/mol   
8
4th Energy Level
9,543.00 kJ/mol   
5
5,877.00 kJ/mol   
9
5th Energy Level
13,354.00 kJ/mol   
4
7,975.00 kJ/mol   
8
6th Energy Level
16,613.00 kJ/mol   
4
9,590.00 kJ/mol   
13
7th Energy level
20,117.00 kJ/mol   
4
11,343.00 kJ/mol   
17
8th Energy Level
25,496.00 kJ/mol   
4
14,944.00 kJ/mol   
13
9th Energy Level
28,932.00 kJ/mol   
4
16,963.70 kJ/mol   
15
10th Energy Level
141,362.00 kJ/mol   
2
48,610.00 kJ/mol   
3
11th Energy Level
159,076.00 kJ/mol   
2
54,490.00 kJ/mol   
4
12th Energy Level
Not Available   
60,730.00 kJ/mol   
4
13th Energy Level
Not Available   
68,950.00 kJ/mol   
4
14th Energy Level
Not Available   
75,900.00 kJ/mol   
5
15th Energy Level
Not Available   
83,080.00 kJ/mol   
6
16th Energy Level
Not Available   
93,400.00 kJ/mol   
7
17th Energy Level
Not Available   
99,710.00 kJ/mol   
8
Electrochemical Equivalent
0.86 g/amp-hr   
99+
1.46 g/amp-hr   
99+
Electron Work Function
2.75 eV   
40
2.30 eV   
99+
Other Chemical Properties
Chemical Stability, Corrosion, Flammability, Ionization, Solubility   
Chemical Stability, Flammability, Ionization, Solubility   
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