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Chemical Properties of Beryllium and Yttrium

Beryllium
Yttrium
Chemical Properties of Yttrium and Beryllium


Chemical Properties
Chemical Formula
Be   
Y   
Isotopes
  
  
Known Isotopes
9   
29
19   
20
Electronegativity
  
  
Pauling Electronegativity
1.57   
24
1.22   
38
Sanderson Electronegativity
1.81   
12
0.65   
29
Allred Rochow Electronegativity
1.47   
14
1.11   
29
Mulliken-Jaffe Electronegativity
1.54   
12
Not Available   
Allen Electronegativity
1.58   
23
1.12   
38
Electropositivity
  
  
Pauling Electropositivity
2.43   
30
2.78   
16
Ionization Energies
  
  
1st Energy Level
899.50 kJ/mol   
7
600.00 kJ/mol   
99+
2nd Energy Level
1,757.10 kJ/mol   
23
1,180.00 kJ/mol   
99+
3rd Energy Level
14,848.70 kJ/mol   
2
1,980.00 kJ/mol   
99+
4th Energy Level
21,006.60 kJ/mol   
2
5,847.00 kJ/mol   
10
5th Energy Level
Not Available   
7,430.00 kJ/mol   
14
6th Energy Level
Not Available   
8,970.00 kJ/mol   
17
7th Energy level
Not Available   
11,190.00 kJ/mol   
18
8th Energy Level
Not Available   
12,450.00 kJ/mol   
18
9th Energy Level
Not Available   
14,110.00 kJ/mol   
19
10th Energy Level
Not Available   
18,400.00 kJ/mol   
17
11th Energy Level
Not Available   
19,900.00 kJ/mol   
18
12th Energy Level
Not Available   
36,090.00 kJ/mol   
5
Electrochemical Equivalent
0.17 g/amp-hr   
99+
1.11 g/amp-hr   
99+
Electron Work Function
4.98 eV   
6
3.10 eV   
35
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes   
Chemical Stability, Flammable, Ionization, Radioactive Isotopes, Solubility   
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