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Chemical Properties of Beryllium and Iron


Chemical Properties of Iron and Beryllium


Chemical Properties

Chemical Formula
Be   
Fe   

Isotopes
  
  

Known Isotopes
9   
29
26   
13

Electronegativity
  
  

Pauling Electronegativity
1.57   
24
1.83   
14

Sanderson Electronegativity
1.81   
12
2.20   
7

Allred Rochow Electronegativity
1.47   
14
1.64   
8

Mulliken-Jaffe Electronegativity
1.54   
12
Not Available   

Allen Electronegativity
1.58   
23
1.80   
12

Electropositivity
  
  

Pauling Electropositivity
2.43   
30
2.17   
40

Ionization Energies
  
  

1st Energy Level
899.50 kJ/mol   
7
762.50 kJ/mol   
17

2nd Energy Level
1,757.10 kJ/mol   
23
1,561.90 kJ/mol   
36

3rd Energy Level
14,848.70 kJ/mol   
2
2,957.00 kJ/mol   
29

4th Energy Level
21,006.60 kJ/mol   
2
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
0.17 g/amp-hr   
99+
0.69 g/amp-hr   
99+

Electron Work Function
4.98 eV   
6
4.70 eV   
10

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

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