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Chemical Properties of Curium and Tantalum

Curium
Tantalum
Chemical Properties of Tantalum and Curium


Chemical
Chemical Formula
Cm  
Ta  
Isotopes
  
  
Known Isotopes
15  
24
31  
8
Electronegativity
  
  
Pauling Electronegativity
1.30  
33
1.50  
28
Sanderson Electronegativity
1.30  
25
1.50  
18
Allred Rochow Electronegativity
1.20  
28
1.33  
23
Mulliken-Jaffe Electronegativity
1.30  
33
1.50  
26
Allen Electronegativity
1.30  
40
1.34  
38
Electropositivity
  
  
Pauling Electropositivity
2.70  
22
2.50  
27
Ionization Energies
  
  
1st Energy Level
581.00 kJ/mol  
99+
761.00 kJ/mol  
18
2nd Energy Level
1,196.00 kJ/mol  
99+
1,500.00 kJ/mol  
99+
3rd Energy Level
2,026.00 kJ/mol  
99+
761.00 kJ/mol  
99+
4th Energy Level
3,550.00 kJ/mol  
99+
7,610.00 kJ/mol  
9
5th Energy Level
5,810.00 kJ/mol  
99+
7,610.00 kJ/mol  
19
6th Energy Level
5,810.00 kJ/mol  
99+
7,610.00 kJ/mol  
36
7th Energy level
5,810.00 kJ/mol  
99+
7,610.00 kJ/mol  
30
8th Energy Level
5,810.00 kJ/mol  
99+
7,610.00 kJ/mol  
30
9th Energy Level
6,690.00 kJ/mol  
37
7,610.00 kJ/mol  
26
10th Energy Level
5,810.00 kJ/mol  
99+
7,610.00 kJ/mol  
30
11th Energy Level
5,810.00 kJ/mol  
99+
7,610.00 kJ/mol  
29
12th Energy Level
58,100.00 kJ/mol  
19
7,610.00 kJ/mol  
99+
13th Energy Level
5,810.00 kJ/mol  
99+
7,610.00 kJ/mol  
22
14th Energy Level
5,810.00 kJ/mol  
40
7,610.00 kJ/mol  
19
15th Energy Level
58,100.00 kJ/mol  
99+
76,100.00 kJ/mol  
19
16th Energy Level
58,100.00 kJ/mol  
99+
76,100.00 kJ/mol  
14
17th Energy Level
581.00 kJ/mol  
99+
761.00 kJ/mol  
35
18th Energy Level
5,810.00 kJ/mol  
99+
7,610.00 kJ/mol  
25
19th Energy Level
581.00 kJ/mol  
99+
761.00 kJ/mol  
32
20th Energy Level
581.00 kJ/mol  
99+
761.00 kJ/mol  
26
21st Energy Level
5,810.00 kJ/mol  
20
761.00 kJ/mol  
99+
22nd Energy Level
581.00 kJ/mol  
99+
761.00 kJ/mol  
20
23rd Energy Level
5,810.00 kJ/mol  
20
761.00 kJ/mol  
99+
24th Energy Level
581.00 kJ/mol  
99+
761.00 kJ/mol  
16
25th Energy Level
581.00 kJ/mol  
99+
761.00 kJ/mol  
16
26th Energy Level
581.00 kJ/mol  
99+
761.00 kJ/mol  
16
27th Energy Level
581.00 kJ/mol  
99+
761.00 kJ/mol  
15
28th Energy Level
581.00 kJ/mol  
99+
761.00 kJ/mol  
21
29th Energy Level
581.00 kJ/mol  
99+
761.00 kJ/mol  
22
30th Energy Level
581.00 kJ/mol  
99+
761.00 kJ/mol  
16
Electrochemical Equivalent
3.07 g/amp-hr  
19
1.35 g/amp-hr  
99+
Electron Work Function
4.50 eV  
19
4.25 eV  
28
Other Chemical Properties
Ionization, Radioactive Isotopes  
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility  
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