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Chemical Properties of Potassium and Iron

Potassium
Iron
Chemical Properties of Iron and Potassium


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