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Chemical Properties of Iron and Calcium

Iron
Calcium
Chemical Properties of Calcium and Iron


Chemical Properties
Chemical Formula
Fe   
Ca   
Isotopes
  
  
Known Isotopes
26   
13
19   
20
Electronegativity
  
  
Pauling Electronegativity
1.83   
14
1.00   
99+
Sanderson Electronegativity
2.20   
7
0.95   
24
Allred Rochow Electronegativity
1.64   
8
1.04   
34
Mulliken-Jaffe Electronegativity
Not Available   
1.08   
17
Allen Electronegativity
1.80   
12
1.03   
39
Electropositivity
  
  
Pauling Electropositivity
2.17   
40
3.00   
9
Ionization Energies
  
  
1st Energy Level
762.50 kJ/mol   
17
589.80 kJ/mol   
99+
2nd Energy Level
1,561.90 kJ/mol   
36
1,145.40 kJ/mol   
99+
3rd Energy Level
2,957.00 kJ/mol   
29
4,912.40 kJ/mol   
7
4th Energy Level
5,290.00 kJ/mol   
16
6,491.00 kJ/mol   
7
5th Energy Level
7,240.00 kJ/mol   
16
8,153.00 kJ/mol   
7
6th Energy Level
9,560.00 kJ/mol   
14
10,496.00 kJ/mol   
8
7th Energy level
12,060.00 kJ/mol   
15
12,270.00 kJ/mol   
12
8th Energy Level
14,580.00 kJ/mol   
14
14,206.00 kJ/mol   
15
9th Energy Level
22,540.00 kJ/mol   
5
18,191.00 kJ/mol   
12
10th Energy Level
25,290.00 kJ/mol   
8
20,385.00 kJ/mol   
16
11th Energy Level
28,000.00 kJ/mol   
9
57,110.00 kJ/mol   
3
12th Energy Level
31,920.00 kJ/mol   
9
63,410.00 kJ/mol   
3
13th Energy Level
34,830.00 kJ/mol   
9
70,110.00 kJ/mol   
3
14th Energy Level
37,840.00 kJ/mol   
11
78,890.00 kJ/mol   
4
15th Energy Level
44,100.00 kJ/mol   
11
86,310.00 kJ/mol   
5
16th Energy Level
47,206.00 kJ/mol   
13
94,000.00 kJ/mol   
6
17th Energy Level
122,200.00 kJ/mol   
1
104,900.00 kJ/mol   
7
18th Energy Level
131,000.00 kJ/mol   
2
111,711.00 kJ/mol   
8
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+
0.75 g/amp-hr   
99+
Electron Work Function
4.70 eV   
10
2.87 eV   
38
Other Chemical Properties
Corrosion, Ionization, Solubility   
Chemical Stability, Flammability, Ionization, Solubility   
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