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Chemical Properties of Potassium and Scandium

Potassium
Scandium
Chemical Properties of Scandium and Potassium


Chemical Properties
Chemical Formula
K   
Sc   
Isotopes
  
  
Known Isotopes
20   
19
13   
26
Electronegativity
  
  
Pauling Electronegativity
0.82   
99+
1.36   
29
Sanderson Electronegativity
0.45   
31
1.02   
21
Allred Rochow Electronegativity
0.91   
39
1.20   
27
Mulliken-Jaffe Electronegativity
0.73   
23
Not Available   
Allen Electronegativity
0.73   
99+
1.19   
36
Electropositivity
  
  
Pauling Electropositivity
3.18   
3
2.64   
25
Ionization Energies
  
  
1st Energy Level
418.80 kJ/mol   
99+
633.10 kJ/mol   
99+
2nd Energy Level
3,052.00 kJ/mol   
5
1,235.00 kJ/mol   
99+
3rd Energy Level
4,420.00 kJ/mol   
8
2,388.60 kJ/mol   
99+
4th Energy Level
5,877.00 kJ/mol   
9
7,090.60 kJ/mol   
6
5th Energy Level
7,975.00 kJ/mol   
8
8,843.00 kJ/mol   
6
6th Energy Level
9,590.00 kJ/mol   
13
10,679.00 kJ/mol   
7
7th Energy level
11,343.00 kJ/mol   
17
13,310.00 kJ/mol   
8
8th Energy Level
14,944.00 kJ/mol   
13
15,250.00 kJ/mol   
11
9th Energy Level
16,963.70 kJ/mol   
15
17,370.00 kJ/mol   
14
10th Energy Level
48,610.00 kJ/mol   
3
21,726.00 kJ/mol   
13
11th Energy Level
54,490.00 kJ/mol   
4
24,102.00 kJ/mol   
16
12th Energy Level
60,730.00 kJ/mol   
4
66,320.00 kJ/mol   
2
13th Energy Level
68,950.00 kJ/mol   
4
73,010.00 kJ/mol   
2
14th Energy Level
75,900.00 kJ/mol   
5
80,160.00 kJ/mol   
3
15th Energy Level
83,080.00 kJ/mol   
6
89,490.00 kJ/mol   
4
16th Energy Level
93,400.00 kJ/mol   
7
97,400.00 kJ/mol   
5
17th Energy Level
99,710.00 kJ/mol   
8
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
1.46 g/amp-hr   
99+
0.56 g/amp-hr   
99+
Electron Work Function
2.30 eV   
99+
3.50 eV   
31
Other Chemical Properties
Chemical Stability, Flammability, Ionization, Solubility   
Corrosion, Flammable, Ionization, Radioactive Isotopes, Solubility   
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