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Chemical Properties of Iron and Potassium

Iron
Potassium
Chemical Properties of Potassium and Iron


Chemical Properties
Chemical Formula
Fe   
K   
Isotopes
  
  
Known Isotopes
26   
13
20   
19
Electronegativity
  
  
Pauling Electronegativity
1.83   
14
0.82   
99+
Sanderson Electronegativity
2.20   
7
0.45   
31
Allred Rochow Electronegativity
1.64   
8
0.91   
39
Mulliken-Jaffe Electronegativity
Not Available   
0.73   
23
Allen Electronegativity
1.80   
12
0.73   
99+
Electropositivity
  
  
Pauling Electropositivity
2.17   
40
3.18   
3
Ionization Energies
  
  
1st Energy Level
762.50 kJ/mol   
17
418.80 kJ/mol   
99+
2nd Energy Level
1,561.90 kJ/mol   
36
3,052.00 kJ/mol   
5
3rd Energy Level
2,957.00 kJ/mol   
29
4,420.00 kJ/mol   
8
4th Energy Level
5,290.00 kJ/mol   
16
5,877.00 kJ/mol   
9
5th Energy Level
7,240.00 kJ/mol   
16
7,975.00 kJ/mol   
8
6th Energy Level
9,560.00 kJ/mol   
14
9,590.00 kJ/mol   
13
7th Energy level
12,060.00 kJ/mol   
15
11,343.00 kJ/mol   
17
8th Energy Level
14,580.00 kJ/mol   
14
14,944.00 kJ/mol   
13
9th Energy Level
22,540.00 kJ/mol   
5
16,963.70 kJ/mol   
15
10th Energy Level
25,290.00 kJ/mol   
8
48,610.00 kJ/mol   
3
11th Energy Level
28,000.00 kJ/mol   
9
54,490.00 kJ/mol   
4
12th Energy Level
31,920.00 kJ/mol   
9
60,730.00 kJ/mol   
4
13th Energy Level
34,830.00 kJ/mol   
9
68,950.00 kJ/mol   
4
14th Energy Level
37,840.00 kJ/mol   
11
75,900.00 kJ/mol   
5
15th Energy Level
44,100.00 kJ/mol   
11
83,080.00 kJ/mol   
6
16th Energy Level
47,206.00 kJ/mol   
13
93,400.00 kJ/mol   
7
17th Energy Level
122,200.00 kJ/mol   
1
99,710.00 kJ/mol   
8
18th Energy Level
131,000.00 kJ/mol   
2
Not Available   
19th Energy Level
140,500.00 kJ/mol   
3
Not Available   
20th Energy Level
152,600.00 kJ/mol   
5
Not Available   
21st Energy Level
163,000.00 kJ/mol   
5
Not Available   
22nd Energy Level
173,600.00 kJ/mol   
4
Not Available   
23rd Energy Level
188,100.00 kJ/mol   
4
Not Available   
24th Energy Level
195,200.00 kJ/mol   
1
Not Available   
Electrochemical Equivalent
0.69 g/amp-hr   
99+
1.46 g/amp-hr   
99+
Electron Work Function
4.70 eV   
10
2.30 eV   
99+
Other Chemical Properties
Corrosion, Ionization, Solubility   
Chemical Stability, Flammability, Ionization, Solubility   
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