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Chemical Properties of Sodium and Erbium

Sodium
Erbium
Chemical Properties of Erbium and Sodium


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