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Chemical Properties of Calcium and Iron

Calcium
Iron
Chemical Properties of Iron and Calcium


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