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Chemical Properties of Iron and Hafnium

Iron
Hafnium
Chemical Properties of Hafnium and Iron


Chemical Properties
Chemical Formula
Fe   
Hf   
Isotopes
  
  
Known Isotopes
26   
13
32   
7
Electronegativity
  
  
Pauling Electronegativity
1.83   
14
1.30   
32
Sanderson Electronegativity
2.20   
7
Not Available   
Allred Rochow Electronegativity
1.64   
8
1.23   
25
Allen Electronegativity
1.80   
12
1.16   
37
Electropositivity
  
  
Pauling Electropositivity
2.17   
40
2.70   
22
Ionization Energies
  
  
1st Energy Level
762.50 kJ/mol   
17
658.50 kJ/mol   
40
2nd Energy Level
1,561.90 kJ/mol   
36
1,440.00 kJ/mol   
99+
3rd Energy Level
2,957.00 kJ/mol   
29
2,250.00 kJ/mol   
99+
4th Energy Level
5,290.00 kJ/mol   
16
3,216.00 kJ/mol   
99+
5th Energy Level
7,240.00 kJ/mol   
16
Not Available   
6th Energy Level
9,560.00 kJ/mol   
14
Not Available   
7th Energy level
12,060.00 kJ/mol   
15
Not Available   
8th Energy Level
14,580.00 kJ/mol   
14
Not Available   
9th Energy Level
22,540.00 kJ/mol   
5
Not Available   
10th Energy Level
25,290.00 kJ/mol   
8
Not Available   
11th Energy Level
28,000.00 kJ/mol   
9
Not Available   
12th Energy Level
31,920.00 kJ/mol   
9
Not Available   
13th Energy Level
34,830.00 kJ/mol   
9
Not Available   
14th Energy Level
37,840.00 kJ/mol   
11
Not Available   
15th Energy Level
44,100.00 kJ/mol   
11
Not Available   
16th Energy Level
47,206.00 kJ/mol   
13
Not Available   
17th Energy Level
122,200.00 kJ/mol   
1
Not Available   
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+
1.66 g/amp-hr   
99+
Electron Work Function
4.70 eV   
10
3.90 eV   
27
Other Chemical Properties
Corrosion, Ionization, Solubility   
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
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