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Chemical Properties of Yttrium and Scandium

Yttrium
Scandium
Chemical Properties of Scandium and Yttrium


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