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Chemical Properties of Calcium and Potassium

Calcium
Potassium
Chemical Properties of Potassium and Calcium


Chemical Properties
Chemical Formula
Ca   
K   
Isotopes
  
  
Known Isotopes
19   
20
20   
19
Electronegativity
  
  
Pauling Electronegativity
1.00   
99+
0.82   
99+
Sanderson Electronegativity
0.95   
24
0.45   
31
Allred Rochow Electronegativity
1.04   
34
0.91   
39
Mulliken-Jaffe Electronegativity
1.08   
17
0.73   
23
Allen Electronegativity
1.03   
39
0.73   
99+
Electropositivity
  
  
Pauling Electropositivity
3.00   
9
3.18   
3
Ionization Energies
  
  
1st Energy Level
589.80 kJ/mol   
99+
418.80 kJ/mol   
99+
2nd Energy Level
1,145.40 kJ/mol   
99+
3,052.00 kJ/mol   
5
3rd Energy Level
4,912.40 kJ/mol   
7
4,420.00 kJ/mol   
8
4th Energy Level
6,491.00 kJ/mol   
7
5,877.00 kJ/mol   
9
5th Energy Level
8,153.00 kJ/mol   
7
7,975.00 kJ/mol   
8
6th Energy Level
10,496.00 kJ/mol   
8
9,590.00 kJ/mol   
13
7th Energy level
12,270.00 kJ/mol   
12
11,343.00 kJ/mol   
17
8th Energy Level
14,206.00 kJ/mol   
15
14,944.00 kJ/mol   
13
9th Energy Level
18,191.00 kJ/mol   
12
16,963.70 kJ/mol   
15
10th Energy Level
20,385.00 kJ/mol   
16
48,610.00 kJ/mol   
3
11th Energy Level
57,110.00 kJ/mol   
3
54,490.00 kJ/mol   
4
12th Energy Level
63,410.00 kJ/mol   
3
60,730.00 kJ/mol   
4
13th Energy Level
70,110.00 kJ/mol   
3
68,950.00 kJ/mol   
4
14th Energy Level
78,890.00 kJ/mol   
4
75,900.00 kJ/mol   
5
15th Energy Level
86,310.00 kJ/mol   
5
83,080.00 kJ/mol   
6
16th Energy Level
94,000.00 kJ/mol   
6
93,400.00 kJ/mol   
7
17th Energy Level
104,900.00 kJ/mol   
7
99,710.00 kJ/mol   
8
18th Energy Level
111,711.00 kJ/mol   
8
Not Available   
Electrochemical Equivalent
0.75 g/amp-hr   
99+
1.46 g/amp-hr   
99+
Electron Work Function
2.87 eV   
38
2.30 eV   
99+
Other Chemical Properties
Chemical Stability, Flammability, Ionization, Solubility   
Chemical Stability, Flammability, Ionization, Solubility   
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