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Chemical Properties of Scandium and Yttrium

Scandium
Yttrium
Chemical Properties of Yttrium and Scandium


Chemical Properties
Chemical Formula
Sc   
Y   
Isotopes
  
  
Known Isotopes
13   
26
19   
20
Electronegativity
  
  
Pauling Electronegativity
1.36   
29
1.22   
38
Sanderson Electronegativity
1.02   
21
0.65   
29
Allred Rochow Electronegativity
1.20   
27
1.11   
29
Allen Electronegativity
1.19   
36
1.12   
38
Electropositivity
  
  
Pauling Electropositivity
2.64   
25
2.78   
16
Ionization Energies
  
  
1st Energy Level
633.10 kJ/mol   
99+
600.00 kJ/mol   
99+
2nd Energy Level
1,235.00 kJ/mol   
99+
1,180.00 kJ/mol   
99+
3rd Energy Level
2,388.60 kJ/mol   
99+
1,980.00 kJ/mol   
99+
4th Energy Level
7,090.60 kJ/mol   
6
5,847.00 kJ/mol   
10
5th Energy Level
8,843.00 kJ/mol   
6
7,430.00 kJ/mol   
14
6th Energy Level
10,679.00 kJ/mol   
7
8,970.00 kJ/mol   
17
7th Energy level
13,310.00 kJ/mol   
8
11,190.00 kJ/mol   
18
8th Energy Level
15,250.00 kJ/mol   
11
12,450.00 kJ/mol   
18
9th Energy Level
17,370.00 kJ/mol   
14
14,110.00 kJ/mol   
19
10th Energy Level
21,726.00 kJ/mol   
13
18,400.00 kJ/mol   
17
11th Energy Level
24,102.00 kJ/mol   
16
19,900.00 kJ/mol   
18
12th Energy Level
66,320.00 kJ/mol   
2
36,090.00 kJ/mol   
5
13th Energy Level
73,010.00 kJ/mol   
2
Not Available   
14th Energy Level
80,160.00 kJ/mol   
3
Not Available   
15th Energy Level
89,490.00 kJ/mol   
4
Not Available   
16th Energy Level
97,400.00 kJ/mol   
5
Not Available   
17th Energy Level
105,600.00 kJ/mol   
6
Not Available   
18th Energy Level
117,000.00 kJ/mol   
7
Not Available   
19th Energy Level
124,270.00 kJ/mol   
8
Not Available   
Electrochemical Equivalent
0.56 g/amp-hr   
99+
1.11 g/amp-hr   
99+
Electron Work Function
3.50 eV   
31
3.10 eV   
35
Other Chemical Properties
Corrosion, Flammable, Ionization, Radioactive Isotopes, Solubility   
Chemical Stability, Flammable, Ionization, Radioactive Isotopes, Solubility   
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