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Chemical Properties of Iron and Samarium


Chemical Properties of Samarium and Iron


Chemical Properties

Chemical Formula
Fe   
Sm   

Isotopes
  
  

Known Isotopes
26   
13
30   
9

Electronegativity
  
  

Pauling Electronegativity
1.83   
14
1.17   
40

Sanderson Electronegativity
2.20   
7
Not Available   

Allred Rochow Electronegativity
1.64   
8
1.07   
32

Allen Electronegativity
1.80   
12
Not Available   

Electropositivity
  
  

Pauling Electropositivity
2.17   
40
2.83   
14

Ionization Energies
  
  

1st Energy Level
762.50 kJ/mol   
17
544.50 kJ/mol   
99+

2nd Energy Level
1,561.90 kJ/mol   
36
1,070.00 kJ/mol   
99+

3rd Energy Level
2,957.00 kJ/mol   
29
2,260.00 kJ/mol   
99+

4th Energy Level
5,290.00 kJ/mol   
16
3,990.00 kJ/mol   
37

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+
1.87 g/amp-hr   
34

Electron Work Function
4.70 eV   
10
2.70 eV   
99+

Other Chemical Properties
Corrosion, Ionization, Solubility   
Ionization, Radioactive Isotopes   

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