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Chemical Properties of Yttrium and Potassium

Yttrium
Potassium
Chemical Properties of Potassium and Yttrium


Chemical Properties
Chemical Formula
Y   
K   
Isotopes
  
  
Known Isotopes
19   
20
20   
19
Electronegativity
  
  
Pauling Electronegativity
1.22   
38
0.82   
99+
Sanderson Electronegativity
0.65   
29
0.45   
31
Allred Rochow Electronegativity
1.11   
29
0.91   
39
Mulliken-Jaffe Electronegativity
Not Available   
0.73   
23
Allen Electronegativity
1.12   
38
0.73   
99+
Electropositivity
  
  
Pauling Electropositivity
2.78   
16
3.18   
3
Ionization Energies
  
  
1st Energy Level
600.00 kJ/mol   
99+
418.80 kJ/mol   
99+
2nd Energy Level
1,180.00 kJ/mol   
99+
3,052.00 kJ/mol   
5
3rd Energy Level
1,980.00 kJ/mol   
99+
4,420.00 kJ/mol   
8
4th Energy Level
5,847.00 kJ/mol   
10
5,877.00 kJ/mol   
9
5th Energy Level
7,430.00 kJ/mol   
14
7,975.00 kJ/mol   
8
6th Energy Level
8,970.00 kJ/mol   
17
9,590.00 kJ/mol   
13
7th Energy level
11,190.00 kJ/mol   
18
11,343.00 kJ/mol   
17
8th Energy Level
12,450.00 kJ/mol   
18
14,944.00 kJ/mol   
13
9th Energy Level
14,110.00 kJ/mol   
19
16,963.70 kJ/mol   
15
10th Energy Level
18,400.00 kJ/mol   
17
48,610.00 kJ/mol   
3
11th Energy Level
19,900.00 kJ/mol   
18
54,490.00 kJ/mol   
4
12th Energy Level
36,090.00 kJ/mol   
5
60,730.00 kJ/mol   
4
13th Energy Level
Not Available   
68,950.00 kJ/mol   
4
14th Energy Level
Not Available   
75,900.00 kJ/mol   
5
15th Energy Level
Not Available   
83,080.00 kJ/mol   
6
16th Energy Level
Not Available   
93,400.00 kJ/mol   
7
17th Energy Level
Not Available   
99,710.00 kJ/mol   
8
Electrochemical Equivalent
1.11 g/amp-hr   
99+
1.46 g/amp-hr   
99+
Electron Work Function
3.10 eV   
35
2.30 eV   
99+
Other Chemical Properties
Chemical Stability, Flammable, Ionization, Radioactive Isotopes, Solubility   
Chemical Stability, Flammability, Ionization, Solubility   
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