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Chemical Properties of Erbium and Sodium

Erbium
Sodium
Chemical Properties of Sodium and Erbium


Chemical Properties
Chemical Formula
Er   
Na   
Isotopes
  
  
Known Isotopes
31   
8
17   
22
Electronegativity
  
  
Pauling Electronegativity
1.24   
36
0.93   
99+
Sanderson Electronegativity
Not Available   
0.56   
30
Allred Rochow Electronegativity
1.11   
29
1.01   
35
Mulliken-Jaffe Electronegativity
Not Available   
0.91   
21
Allen Electronegativity
Not Available   
0.87   
99+
Electropositivity
  
  
Pauling Electropositivity
2.76   
18
3.07   
6
Ionization Energies
  
  
1st Energy Level
589.30 kJ/mol   
99+
495.80 kJ/mol   
99+
2nd Energy Level
1,150.00 kJ/mol   
99+
4,562.00 kJ/mol   
4
3rd Energy Level
2,194.00 kJ/mol   
99+
6,910.30 kJ/mol   
6
4th Energy Level
4,120.00 kJ/mol   
33
9,543.00 kJ/mol   
5
5th Energy Level
Not Available   
13,354.00 kJ/mol   
4
6th Energy Level
Not Available   
16,613.00 kJ/mol   
4
7th Energy level
Not Available   
20,117.00 kJ/mol   
4
8th Energy Level
Not Available   
25,496.00 kJ/mol   
4
9th Energy Level
Not Available   
28,932.00 kJ/mol   
4
10th Energy Level
Not Available   
141,362.00 kJ/mol   
2
11th Energy Level
Not Available   
159,076.00 kJ/mol   
2
Electrochemical Equivalent
2.08 g/amp-hr   
28
0.86 g/amp-hr   
99+
Electron Work Function
Not Available   
2.75 eV   
40
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility   
Chemical Stability, Corrosion, Flammability, Ionization, Solubility   
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