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Chemical Properties of Tantalum and Iron

Tantalum
Iron
Chemical Properties of Iron and Tantalum


Chemical Properties
Chemical Formula
Ta   
Fe   
Isotopes
  
  
Known Isotopes
31   
8
26   
13
Electronegativity
  
  
Pauling Electronegativity
1.50   
27
1.83   
14
Sanderson Electronegativity
Not Available   
2.20   
7
Allred Rochow Electronegativity
1.33   
22
1.64   
8
Allen Electronegativity
1.34   
33
1.80   
12
Electropositivity
  
  
Pauling Electropositivity
2.50   
27
2.17   
40
Ionization Energies
  
  
1st Energy Level
761.00 kJ/mol   
18
762.50 kJ/mol   
17
2nd Energy Level
1,500.00 kJ/mol   
40
1,561.90 kJ/mol   
36
3rd Energy Level
Not Available   
2,957.00 kJ/mol   
29
4th Energy Level
Not Available   
5,290.00 kJ/mol   
16
5th Energy Level
Not Available   
7,240.00 kJ/mol   
16
6th Energy Level
Not Available   
9,560.00 kJ/mol   
14
7th Energy level
Not Available   
12,060.00 kJ/mol   
15
8th Energy Level
Not Available   
14,580.00 kJ/mol   
14
9th Energy Level
Not Available   
22,540.00 kJ/mol   
5
10th Energy Level
Not Available   
25,290.00 kJ/mol   
8
11th Energy Level
Not Available   
28,000.00 kJ/mol   
9
12th Energy Level
Not Available   
31,920.00 kJ/mol   
9
13th Energy Level
Not Available   
34,830.00 kJ/mol   
9
14th Energy Level
Not Available   
37,840.00 kJ/mol   
11
15th Energy Level
Not Available   
44,100.00 kJ/mol   
11
16th Energy Level
Not Available   
47,206.00 kJ/mol   
13
17th Energy Level
Not Available   
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
1.35 g/amp-hr   
99+
0.69 g/amp-hr   
99+
Electron Work Function
4.25 eV   
21
4.70 eV   
10
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility   
Corrosion, Ionization, Solubility   
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