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Chemical Properties of Calcium and Thorium

Calcium
Thorium
Chemical Properties of Thorium and Calcium


Chemical Properties
Chemical Formula
Ca   
Th   
Isotopes
  
  
Known Isotopes
19   
20
28   
11
Electronegativity
  
  
Pauling Electronegativity
1.00   
99+
1.30   
32
Sanderson Electronegativity
0.95   
24
Not Available   
Allred Rochow Electronegativity
1.04   
34
1.11   
29
Mulliken-Jaffe Electronegativity
1.08   
17
Not Available   
Allen Electronegativity
1.03   
39
Not Available   
Electropositivity
  
  
Pauling Electropositivity
3.00   
9
2.70   
22
Ionization Energies
  
  
1st Energy Level
589.80 kJ/mol   
99+
587.00 kJ/mol   
99+
2nd Energy Level
1,145.40 kJ/mol   
99+
1,110.00 kJ/mol   
99+
3rd Energy Level
4,912.40 kJ/mol   
7
1,978.00 kJ/mol   
99+
4th Energy Level
6,491.00 kJ/mol   
7
2,780.00 kJ/mol   
99+
5th Energy Level
8,153.00 kJ/mol   
7
Not Available   
6th Energy Level
10,496.00 kJ/mol   
8
Not Available   
7th Energy level
12,270.00 kJ/mol   
12
Not Available   
8th Energy Level
14,206.00 kJ/mol   
15
Not Available   
9th Energy Level
18,191.00 kJ/mol   
12
Not Available   
10th Energy Level
20,385.00 kJ/mol   
16
Not Available   
11th Energy Level
57,110.00 kJ/mol   
3
Not Available   
12th Energy Level
63,410.00 kJ/mol   
3
Not Available   
13th Energy Level
70,110.00 kJ/mol   
3
Not Available   
14th Energy Level
78,890.00 kJ/mol   
4
Not Available   
15th Energy Level
86,310.00 kJ/mol   
5
Not Available   
16th Energy Level
94,000.00 kJ/mol   
6
Not Available   
17th Energy Level
104,900.00 kJ/mol   
7
Not Available   
18th Energy Level
111,711.00 kJ/mol   
8
Not Available   
Electrochemical Equivalent
0.75 g/amp-hr   
99+
2.16 g/amp-hr   
24
Electron Work Function
2.87 eV   
38
3.41 eV   
32
Other Chemical Properties
Chemical Stability, Flammability, Ionization, Solubility   
Corrosion, Ionization, Radioactive Isotopes, Radioactivity   
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