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Chemical Properties of Mendelevium and Sodium

Mendelevium
Sodium
Chemical Properties of Sodium and Mendelevium


Chemical Properties
Chemical Formula
Md   
Na   
Isotopes
  
  
Known Isotopes
16   
23
17   
22
Electronegativity
  
  
Pauling Electronegativity
1.30   
32
0.93   
99+
Sanderson Electronegativity
Not Available   
0.56   
30
Allred Rochow Electronegativity
1.20   
27
1.01   
35
Mulliken-Jaffe Electronegativity
Not Available   
0.91   
21
Allen Electronegativity
Not Available   
0.87   
99+
Electropositivity
  
  
Pauling Electropositivity
2.70   
22
3.07   
6
Ionization Energies
  
  
1st Energy Level
635.00 kJ/mol   
99+
495.80 kJ/mol   
99+
2nd Energy Level
1,235.00 kJ/mol   
99+
4,562.00 kJ/mol   
4
3rd Energy Level
2,470.00 kJ/mol   
99+
6,910.30 kJ/mol   
6
4th Energy Level
3,840.00 kJ/mol   
99+
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
3.21 g/amp-hr   
12
0.86 g/amp-hr   
99+
Electron Work Function
Not Available   
2.75 eV   
40
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Chemical Stability, Corrosion, Flammability, Ionization, Solubility   
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